22910625 has 30 divisors (see below), whose sum is σ = 41363322. Its totient is φ = 12216000.

The previous prime is 22910623. The next prime is 22910627. The reversal of 22910625 is 52601922.

22910625 is a `hidden beast` number, since 2 + 29 + 10 + 625 = 666.

It is an interprime number because it is at equal distance from previous prime (22910623) and next prime (22910627).

It can be written as a sum of positive squares in 5 ways, for example, as 14107536 + 8803089 = 3756^2 + 2967^2 .

It is not a de Polignac number, because 22910625 - 2¹ = 22910623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22910621) 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 29 ways as a sum of consecutive naturals, for example, 3589 + ... + 7661.

Almost surely, 2^22910625 is an apocalyptic number.

22910625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22910625 is a deficient number, since it is larger than the sum of its proper divisors (18452697).

22910625 is an equidigital number, since it uses as much as digits as its factorization.

22910625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4099 (or 4081 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 22910625 is about 4786.5044656827. The cubic root of 22910625 is about 284.0178566105.

The spelling of 22910625 in words is "twenty-two million, nine hundred ten thousand, six hundred twenty-five".