22925925 has 72 divisors (see below), whose sum is σ = 45845280. Its totient is φ = 10857600.

The previous prime is 22925909. The next prime is 22925933. The reversal of 22925925 is 52952922.

It is not a de Polignac number, because 22925925 - 2⁴ = 22925909 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22925925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 145947 + ... + 146103.

It is an arithmetic number, because the mean of its divisors is an integer number (636740).

Almost surely, 2^22925925 is an apocalyptic number.

22925925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22925925 is a deficient number, since it is larger than the sum of its proper divisors (22919355).

22925925 is a wasteful number, since it uses less digits than its factorization.

22925925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 235 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 22925925 is about 4788.1024425131. The cubic root of 22925925 is about 284.0810660929.

The spelling of 22925925 in words is "twenty-two million, nine hundred twenty-five thousand, nine hundred twenty-five".