22712575 has 6 divisors (see below), whose sum is σ = 28163624. Its totient is φ = 18170040.

The previous prime is 22712551. The next prime is 22712603. The reversal of 22712575 is 57521722.

It is not a de Polignac number, because 22712575 - 2⁷ = 22712447 is a prime.

It is a super-2 number, since 2×22712575² = 1031722126261250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 454227 + ... + 454276.

Almost surely, 2^22712575 is an apocalyptic number.

22712575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22712575 is a deficient number, since it is larger than the sum of its proper divisors (5451049).

22712575 is an equidigital number, since it uses as much as digits as its factorization.

22712575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908513 (or 908508 counting only the distinct ones).

The product of its digits is 9800, while the sum is 31.

The square root of 22712575 is about 4765.7711862824. The cubic root of 22712575 is about 283.1970932849.

The spelling of 22712575 in words is "twenty-two million, seven hundred twelve thousand, five hundred seventy-five".