22931125 has 32 divisors (see below), whose sum is σ = 33246720. Its totient is φ = 15465600.

The previous prime is 22931099. The next prime is 22931137. The reversal of 22931125 is 52113922.

It is a happy number.

It is not a de Polignac number, because 22931125 - 2¹¹ = 22929077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 22931125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63696 + ... + 64054.

It is an arithmetic number, because the mean of its divisors is an integer number (1038960).

Almost surely, 2^22931125 is an apocalyptic number.

22931125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22931125 is a deficient number, since it is larger than the sum of its proper divisors (10315595).

22931125 is an equidigital number, since it uses as much as digits as its factorization.

22931125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 444 counting only the distinct ones).

The product of its digits is 1080, while the sum is 25.

The square root of 22931125 is about 4788.6454243345. The cubic root of 22931125 is about 284.1025426509.

The spelling of 22931125 in words is "twenty-two million, nine hundred thirty-one thousand, one hundred twenty-five".