22557265 has 8 divisors (see below), whose sum is σ = 27411840. Its totient is φ = 17817072.

The previous prime is 22557263. The next prime is 22557287. The reversal of 22557265 is 56275522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22557265 - 2¹ = 22557263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22557265.

It is not an unprimeable number, because it can be changed into a prime (22557263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28159 + ... + 28948.

It is an arithmetic number, because the mean of its divisors is an integer number (3426480).

Almost surely, 2^22557265 is an apocalyptic number.

It is an amenable number.

22557265 is a deficient number, since it is larger than the sum of its proper divisors (4854575).

22557265 is an equidigital number, since it uses as much as digits as its factorization.

22557265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57191.

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

The square root of 22557265 is about 4749.4489154006. The cubic root of 22557265 is about 282.5501098882.

It can be divided in two parts, 22557 and 265, that added together give a palindrome (22822).

The spelling of 22557265 in words is "twenty-two million, five hundred fifty-seven thousand, two hundred sixty-five".