22905925 has 36 divisors (see below), whose sum is σ = 34586080. Its totient is φ = 14700960.

The previous prime is 22905881. The next prime is 22905941. The reversal of 22905925 is 52950922.

It is not a de Polignac number, because 22905925 - 2⁷ = 22905797 is a prime.

It is a congruent number.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 275934 + ... + 276016.

Almost surely, 2^22905925 is an apocalyptic number.

22905925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22905925 is a deficient number, since it is larger than the sum of its proper divisors (11680155).

22905925 is an equidigital number, since it uses as much as digits as its factorization.

22905925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202 (or 114 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 22905925 is about 4786.0134767884. The cubic root of 22905925 is about 283.9984336685.

The spelling of 22905925 in words is "twenty-two million, nine hundred five thousand, nine hundred twenty-five".