22940572 has 12 divisors (see below), whose sum is σ = 40536496. Its totient is φ = 11358720.

The previous prime is 22940563. The next prime is 22940579. The reversal of 22940572 is 27504922.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22940579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27429 + ... + 28252.

Almost surely, 2^22940572 is an apocalyptic number.

It is an amenable number.

22940572 is a deficient number, since it is larger than the sum of its proper divisors (17595924).

22940572 is a wasteful number, since it uses less digits than its factorization.

22940572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55788 (or 55786 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 22940572 is about 4789.6317186189. The cubic root of 22940572 is about 284.1415514688.

The spelling of 22940572 in words is "twenty-two million, nine hundred forty thousand, five hundred seventy-two".