22564360899 has 12 divisors (see below), whose sum is σ = 34510199256. Its totient is φ = 14158030272.

The previous prime is 22564360877. The next prime is 22564360909. The reversal of 22564360899 is 99806346522.

It is a happy number.

22564360899 is a `hidden beast` number, since 2 + 25 + 6 + 4 + 3 + 608 + 9 + 9 = 666.

It is not a de Polignac number, because 22564360899 - 2⁹ = 22564360387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22564364899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73739589 + ... + 73739894.

It is an arithmetic number, because the mean of its divisors is an integer number (2875849938).

Almost surely, 2^22564360899 is an apocalyptic number.

22564360899 is a deficient number, since it is larger than the sum of its proper divisors (11945838357).

22564360899 is a wasteful number, since it uses less digits than its factorization.

22564360899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147479506 (or 147479503 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 22564360899 in words is "twenty-two billion, five hundred sixty-four million, three hundred sixty thousand, eight hundred ninety-nine".