22655984 has 20 divisors (see below), whose sum is σ = 47273016. Its totient is φ = 10456512.

The previous prime is 22655981. The next prime is 22656001. The reversal of 22655984 is 48955622.

It is a super-2 number, since 2×22655984² = 1026587222016512, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22655981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54254 + ... + 54669.

Almost surely, 2^22655984 is an apocalyptic number.

It is an amenable number.

22655984 is an abundant number, since it is smaller than the sum of its proper divisors (24617032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22655984 is a wasteful number, since it uses less digits than its factorization.

22655984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108944 (or 108938 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 22655984 is about 4759.8302490740. The cubic root of 22655984 is about 282.9616915936.

The spelling of 22655984 in words is "twenty-two million, six hundred fifty-five thousand, nine hundred eighty-four".