-2 is an even number.

-2 is a Harshad number, which means it is divisible by the sum of its digits (2 = 2, and -2 is divisible by 2).

In binary, -2 is represented as 1111111111111111111111111111111111111111111111111111111111111110.

In hex, -2 is represented as fffffffffffffffe.