22993572 has 48 divisors (see below), whose sum is σ = 64547840. Its totient is φ = 6223392.

The previous prime is 22993561. The next prime is 22993589. The reversal of 22993572 is 27539922.

It is a self number, because there is not a number n which added to its sum of digits gives 22993572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5608 + ... + 8799.

Almost surely, 2^22993572 is an apocalyptic number.

It is an amenable number.

22993572 is an abundant number, since it is smaller than the sum of its proper divisors (41554268).

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

22993572 is a wasteful number, since it uses less digits than its factorization.

22993572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14440 (or 14438 counting only the distinct ones).

The product of its digits is 68040, while the sum is 39.

The square root of 22993572 is about 4795.1613111552. The cubic root of 22993572 is about 284.3602022168.

The spelling of 22993572 in words is "twenty-two million, nine hundred ninety-three thousand, five hundred seventy-two".