22564201 has 6 divisors (see below), whose sum is σ = 24802106. Its totient is φ = 20512800.

The previous prime is 22564177. The next prime is 22564211. The reversal of 22564201 is 10246522.

It can be written as a sum of positive squares in only one way, i.e., 15594601 + 6969600 = 3949^2 + 2640^2 .

It is not a de Polignac number, because 22564201 - 2⁹ = 22563689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22564211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93120 + ... + 93361.

Almost surely, 2^22564201 is an apocalyptic number.

It is an amenable number.

22564201 is a deficient number, since it is larger than the sum of its proper divisors (2237905).

22564201 is a wasteful number, since it uses less digits than its factorization.

22564201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186503 (or 186492 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22564201 is about 4750.1790492570. The cubic root of 22564201 is about 282.5790668079.

The spelling of 22564201 in words is "twenty-two million, five hundred sixty-four thousand, two hundred one".