22573265 has 32 divisors (see below), whose sum is σ = 32199552. Its totient is φ = 14976000.

The previous prime is 22573249. The next prime is 22573277. The reversal of 22573265 is 56237522.

It is not a de Polignac number, because 22573265 - 2⁴ = 22573249 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 93545 + ... + 93785.

It is an arithmetic number, because the mean of its divisors is an integer number (1006236).

Almost surely, 2^22573265 is an apocalyptic number.

It is an amenable number.

22573265 is a deficient number, since it is larger than the sum of its proper divisors (9626287).

22573265 is a wasteful number, since it uses less digits than its factorization.

22573265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401.

The product of its digits is 25200, while the sum is 32.

The square root of 22573265 is about 4751.1330227641. The cubic root of 22573265 is about 282.6168989146.

The spelling of 22573265 in words is "twenty-two million, five hundred seventy-three thousand, two hundred sixty-five".