-222 is an even number.
-222 is a Harshad number, which means it is divisible by the sum of its digits (2 + 2 + 2 = 6, and -222 is divisible by 6).
In binary, -222 is represented as 1111111111111111111111111111111111111111111111111111111100100010.
In hex, -222 is represented as ffffffffffffff22.