22915125 has 24 divisors (see below), whose sum is σ = 41310360. Its totient is φ = 12220800.

The previous prime is 22915117. The next prime is 22915127. The reversal of 22915125 is 52151922.

It can be written as a sum of positive squares in 4 ways, for example, as 248004 + 22667121 = 498^2 + 4761^2 .

It is not a de Polignac number, because 22915125 - 2³ = 22915117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22915127) 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 23 ways as a sum of consecutive naturals, for example, 9060 + ... + 11309.

It is an arithmetic number, because the mean of its divisors is an integer number (1721265).

Almost surely, 2^22915125 is an apocalyptic number.

22915125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22915125 is a deficient number, since it is larger than the sum of its proper divisors (18395235).

22915125 is a wasteful number, since it uses less digits than its factorization.

22915125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20390 (or 20377 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 22915125 is about 4786.9745142417. The cubic root of 22915125 is about 284.0364505552.

The spelling of 22915125 in words is "twenty-two million, nine hundred fifteen thousand, one hundred twenty-five".