22574065 has 4 divisors (see below), whose sum is σ = 27088884. Its totient is φ = 18059248.

The previous prime is 22574039. The next prime is 22574081. The reversal of 22574065 is 56047522.

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 16418704 + 6155361 = 4052^2 + 2481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22574065 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2257402 + ... + 2257411.

It is an arithmetic number, because the mean of its divisors is an integer number (6772221).

Almost surely, 2^22574065 is an apocalyptic number.

It is an amenable number.

22574065 is a deficient number, since it is larger than the sum of its proper divisors (4514819).

22574065 is an equidigital number, since it uses as much as digits as its factorization.

22574065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4514818.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 22574065 is about 4751.2172124625. The cubic root of 22574065 is about 282.6202375374.

The spelling of 22574065 in words is "twenty-two million, five hundred seventy-four thousand, sixty-five".