22560645 has 16 divisors (see below), whose sum is σ = 36533952. Its totient is φ = 11886720.

The previous prime is 22560617. The next prime is 22560697. The reversal of 22560645 is 54606522.

It is not a de Polignac number, because 22560645 - 2⁸ = 22560389 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7816 + ... + 10305.

It is an arithmetic number, because the mean of its divisors is an integer number (2283372).

Almost surely, 2^22560645 is an apocalyptic number.

It is an amenable number.

22560645 is a deficient number, since it is larger than the sum of its proper divisors (13973307).

22560645 is a wasteful number, since it uses less digits than its factorization.

22560645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18212.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 22560645 is about 4749.8047328285. The cubic root of 22560645 is about 282.5642217006.

The spelling of 22560645 in words is "twenty-two million, five hundred sixty thousand, six hundred forty-five".