22772984 has 16 divisors (see below), whose sum is σ = 45984120. Its totient is φ = 10510560.

The previous prime is 22772951. The next prime is 22772993. The reversal of 22772984 is 48927722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109382 + ... + 109589.

Almost surely, 2^22772984 is an apocalyptic number.

It is an amenable number.

22772984 is an abundant number, since it is smaller than the sum of its proper divisors (23211136).

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

22772984 is a wasteful number, since it uses less digits than its factorization.

22772984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218990 (or 218986 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 22772984 is about 4772.1047767206. The cubic root of 22772984 is about 283.4479456345.

The spelling of 22772984 in words is "twenty-two million, seven hundred seventy-two thousand, nine hundred eighty-four".