22575925 has 6 divisors (see below), whose sum is σ = 27994178. Its totient is φ = 18060720.

The previous prime is 22575923. The next prime is 22575929. The reversal of 22575925 is 52957522.

It can be written as a sum of positive squares in 3 ways, for example, as 4986289 + 17589636 = 2233^2 + 4194^2 .

It is not a de Polignac number, because 22575925 - 2¹ = 22575923 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22575923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451494 + ... + 451543.

Almost surely, 2^22575925 is an apocalyptic number.

22575925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22575925 is a deficient number, since it is larger than the sum of its proper divisors (5418253).

22575925 is an equidigital number, since it uses as much as digits as its factorization.

22575925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903047 (or 903042 counting only the distinct ones).

The product of its digits is 63000, while the sum is 37.

The square root of 22575925 is about 4751.4129477451. The cubic root of 22575925 is about 282.6279995304.

The spelling of 22575925 in words is "twenty-two million, five hundred seventy-five thousand, nine hundred twenty-five".