22575265 has 4 divisors (see below), whose sum is σ = 27090324. Its totient is φ = 18060208.

The previous prime is 22575257. The next prime is 22575299. The reversal of 22575265 is 56257522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2298256 + 20277009 = 1516^2 + 4503^2 .

It is a cyclic number.

It is not a de Polignac number, because 22575265 - 2³ = 22575257 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22575265.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257522 + ... + 2257531.

It is an arithmetic number, because the mean of its divisors is an integer number (6772581).

Almost surely, 2^22575265 is an apocalyptic number.

It is an amenable number.

22575265 is a deficient number, since it is larger than the sum of its proper divisors (4515059).

22575265 is an equidigital number, since it uses as much as digits as its factorization.

22575265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4515058.

The product of its digits is 42000, while the sum is 34.

The square root of 22575265 is about 4751.3434942130. The cubic root of 22575265 is about 282.6252453236.

The spelling of 22575265 in words is "twenty-two million, five hundred seventy-five thousand, two hundred sixty-five".