22575225 has 24 divisors (see below), whose sum is σ = 37553152. Its totient is φ = 11966400.

The previous prime is 22575221. The next prime is 22575233. The reversal of 22575225 is 52257522.

It is not a de Polignac number, because 22575225 - 2² = 22575221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22575192 and 22575201.

It is not an unprimeable number, because it can be changed into a prime (22575221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12744 + ... + 14406.

Almost surely, 2^22575225 is an apocalyptic number.

22575225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22575225 is a deficient number, since it is larger than the sum of its proper divisors (14977927).

22575225 is a wasteful number, since it uses less digits than its factorization.

22575225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857 (or 1852 counting only the distinct ones).

The product of its digits is 14000, while the sum is 30.

The square root of 22575225 is about 4751.3392848754. The cubic root of 22575225 is about 282.6250784002.

The spelling of 22575225 in words is "twenty-two million, five hundred seventy-five thousand, two hundred twenty-five".