22572924 has 24 divisors (see below), whose sum is σ = 57458688. Its totient is φ = 6840240.

The previous prime is 22572899. The next prime is 22572943. The reversal of 22572924 is 42927522.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 85372 + ... + 85635.

It is an arithmetic number, because the mean of its divisors is an integer number (2394112).

Almost surely, 2^22572924 is an apocalyptic number.

It is an amenable number.

22572924 is an abundant number, since it is smaller than the sum of its proper divisors (34885764).

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

22572924 is a wasteful number, since it uses less digits than its factorization.

22572924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171025 (or 171023 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 22572924 is about 4751.0971364517. The cubic root of 22572924 is about 282.6154758027.

The spelling of 22572924 in words is "twenty-two million, five hundred seventy-two thousand, nine hundred twenty-four".