22565575 has 12 divisors (see below), whose sum is σ = 28377648. Its totient is φ = 17796800.

The previous prime is 22565563. The next prime is 22565581. The reversal of 22565575 is 57556522.

It is a happy number.

It is not a de Polignac number, because 22565575 - 2⁷ = 22565447 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 4582 + ... + 8131.

It is an arithmetic number, because the mean of its divisors is an integer number (2364804).

Almost surely, 2^22565575 is an apocalyptic number.

22565575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22565575 is a deficient number, since it is larger than the sum of its proper divisors (5812073).

22565575 is a wasteful number, since it uses less digits than its factorization.

22565575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12794 (or 12789 counting only the distinct ones).

The product of its digits is 105000, while the sum is 37.

The square root of 22565575 is about 4750.3236731827. The cubic root of 22565575 is about 282.5848023793.

The spelling of 22565575 in words is "twenty-two million, five hundred sixty-five thousand, five hundred seventy-five".