22900225 has 24 divisors (see below), whose sum is σ = 30722240. Its totient is φ = 16873920.

The previous prime is 22900219. The next prime is 22900253. The reversal of 22900225 is 52200922.

It is not a de Polignac number, because 22900225 - 2³ = 22900217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22900196 and 22900205.

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, 16924 + ... + 18226.

Almost surely, 2^22900225 is an apocalyptic number.

22900225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22900225 is a deficient number, since it is larger than the sum of its proper divisors (7822015).

22900225 is a wasteful number, since it uses less digits than its factorization.

22900225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 22900225 is about 4785.4179545783. The cubic root of 22900225 is about 283.9748746205.

The spelling of 22900225 in words is "twenty-two million, nine hundred thousand, two hundred twenty-five".