22285825 has 12 divisors (see below), whose sum is σ = 28278448. Its totient is φ = 17413200.

The previous prime is 22285819. The next prime is 22285859. The reversal of 22285825 is 52858222.

It is not a de Polignac number, because 22285825 - 2³ = 22285817 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9291 + ... + 11440.

Almost surely, 2^22285825 is an apocalyptic number.

22285825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22285825 is a deficient number, since it is larger than the sum of its proper divisors (5992623).

22285825 is a wasteful number, since it uses less digits than its factorization.

22285825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20784 (or 20779 counting only the distinct ones).

The product of its digits is 25600, while the sum is 34.

The square root of 22285825 is about 4720.7864810855. The cubic root of 22285825 is about 281.4121895791.

The spelling of 22285825 in words is "twenty-two million, two hundred eighty-five thousand, eight hundred twenty-five".