22904973 has 24 divisors (see below), whose sum is σ = 40721408. Its totient is φ = 12081312.

The previous prime is 22904971. The next prime is 22904989. The reversal of 22904973 is 37940922.

It is not a de Polignac number, because 22904973 - 2¹ = 22904971 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22904971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13165 + ... + 14802.

Almost surely, 2^22904973 is an apocalyptic number.

It is an amenable number.

22904973 is a deficient number, since it is larger than the sum of its proper divisors (17816435).

22904973 is a wasteful number, since it uses less digits than its factorization.

22904973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27993 (or 27990 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 22904973 is about 4785.9140192862. The cubic root of 22904973 is about 283.9944991661.

The spelling of 22904973 in words is "twenty-two million, nine hundred four thousand, nine hundred seventy-three".