22977532 has 12 divisors (see below), whose sum is σ = 40252576. Its totient is φ = 11476800.

The previous prime is 22977511. The next prime is 22977547. The reversal of 22977532 is 23577922.

It is a super-2 number, since 2×22977532² = 1055933953622048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22977491 and 22977500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2413 + ... + 7195.

Almost surely, 2^22977532 is an apocalyptic number.

It is an amenable number.

22977532 is a deficient number, since it is larger than the sum of its proper divisors (17275044).

22977532 is a wasteful number, since it uses less digits than its factorization.

22977532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5988 (or 5986 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 22977532 is about 4793.4885000384. The cubic root of 22977532 is about 284.2940649118.

The spelling of 22977532 in words is "twenty-two million, nine hundred seventy-seven thousand, five hundred thirty-two".