22680925 has 6 divisors (see below), whose sum is σ = 28124378. Its totient is φ = 18144720.

The previous prime is 22680901. The next prime is 22680937. The reversal of 22680925 is 52908622.

It can be written as a sum of positive squares in 3 ways, for example, as 5731236 + 16949689 = 2394^2 + 4117^2 .

It is not a de Polignac number, because 22680925 - 2¹⁷ = 22549853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 453594 + ... + 453643.

Almost surely, 2^22680925 is an apocalyptic number.

22680925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22680925 is a deficient number, since it is larger than the sum of its proper divisors (5443453).

22680925 is an equidigital number, since it uses as much as digits as its factorization.

22680925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 907247 (or 907242 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 22680925 is about 4762.4494747976. The cubic root of 22680925 is about 283.0654869738.

The spelling of 22680925 in words is "twenty-two million, six hundred eighty thousand, nine hundred twenty-five".