22533825 has 24 divisors (see below), whose sum is σ = 37630528. Its totient is φ = 11897280.

The previous prime is 22533817. The next prime is 22533839. The reversal of 22533825 is 52833522.

It is not a de Polignac number, because 22533825 - 2³ = 22533817 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22533792 and 22533801.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6267 + ... + 9183.

Almost surely, 2^22533825 is an apocalyptic number.

22533825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22533825 is a deficient number, since it is larger than the sum of its proper divisors (15096703).

22533825 is a wasteful number, since it uses less digits than its factorization.

22533825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033 (or 3028 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 22533825 is about 4746.9806192990. The cubic root of 22533825 is about 282.4522069147.

The spelling of 22533825 in words is "twenty-two million, five hundred thirty-three thousand, eight hundred twenty-five".