22572984 has 32 divisors (see below), whose sum is σ = 64494720. Its totient is φ = 6449376.

The previous prime is 22572973. The next prime is 22573009. The reversal of 22572984 is 48927522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67014 + ... + 67349.

It is an arithmetic number, because the mean of its divisors is an integer number (2015460).

Almost surely, 2^22572984 is an apocalyptic number.

22572984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22572984 is an abundant number, since it is smaller than the sum of its proper divisors (41921736).

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

22572984 is a wasteful number, since it uses less digits than its factorization.

22572984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134379 (or 134375 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 22572984 is about 4751.1034507786. The cubic root of 22572984 is about 282.6157262047.

The spelling of 22572984 in words is "twenty-two million, five hundred seventy-two thousand, nine hundred eighty-four".