22922724 has 36 divisors (see below), whose sum is σ = 58794512. Its totient is φ = 6945840.

The previous prime is 22922707. The next prime is 22922737. The reversal of 22922724 is 42722922.

It is a junction number, because it is equal to n+sod(n) for n = 22922691 and 22922700.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6442 + ... + 9345.

Almost surely, 2^22922724 is an apocalyptic number.

It is an amenable number.

22922724 is an abundant number, since it is smaller than the sum of its proper divisors (35871788).

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

22922724 is a wasteful number, since it uses less digits than its factorization.

22922724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15816 (or 15803 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 22922724 is about 4787.7681648133. The cubic root of 22922724 is about 284.0678440046.

The spelling of 22922724 in words is "twenty-two million, nine hundred twenty-two thousand, seven hundred twenty-four".