22485825 has 54 divisors (see below), whose sum is σ = 41959554. Its totient is φ = 11508480.

The previous prime is 22485809. The next prime is 22485847. The reversal of 22485825 is 52858422.

It can be written as a sum of positive squares in 9 ways, for example, as 46656 + 22439169 = 216^2 + 4737^2 .

It is not a de Polignac number, because 22485825 - 2⁴ = 22485809 is a prime.

It is a super-2 number, since 2×22485825² = 1011224651861250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22485825.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 307989 + ... + 308061.

Almost surely, 2^22485825 is an apocalyptic number.

22485825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22485825 is a deficient number, since it is larger than the sum of its proper divisors (19473729).

22485825 is a wasteful number, since it uses less digits than its factorization.

22485825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 118 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 22485825 is about 4741.9220786512. The cubic root of 22485825 is about 282.2515109402.

The spelling of 22485825 in words is "twenty-two million, four hundred eighty-five thousand, eight hundred twenty-five".