22 (number) facts for kids

Twenty-two is a special number that you'll find between twenty-one and twenty-three. It's an even number, which means it can be divided into two equal groups without anything left over. You can divide 22 by 1, 2, 11, and 22 itself.

What is the Number 22?

The number 22 is a natural number, which means it's one of the numbers we use for counting. It's also a composite number because it has more than two factors (1, 2, 11, and 22).

How We Write 22

In our everyday number system, we write it as "22". But did you know that ancient Romans had a different way? In Roman numerals, the number 22 is written as XXII. The "X" stands for 10, so "XX" is 20, and "II" is 2, making 22!

Fun Facts About 22

• The number 22 is the smallest number that can be written as the sum of two primes in two different ways: 3 + 19 and 5 + 17.
• In some sports, like soccer, there are 22 players on the field at the start of a match (11 players per team).
• The Earth's axis is tilted at about 22.5 degrees, which helps create our seasons!

Images for kids

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  The first 22 numbers can be arranged on a graph so that some sums between two numbers give all prime numbers from 3 to 43. This graph looks almost perfectly the same if you flip it vertically or horizontally.

See also

In Spanish: Veintidós para niños