22564325664455 has 24 divisors (see below), whose sum is σ = 28341614705712. Its totient is φ = 17244673041024.

The previous prime is 22564325664383. The next prime is 22564325664467. The reversal of 22564325664455 is 55446652346522.

It is not a de Polignac number, because 22564325664455 - 2¹⁴ = 22564325648071 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22564325664394 and 22564325664403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3338294 + ... + 7501523.

It is an arithmetic number, because the mean of its divisors is an integer number (1180900612738).

Almost surely, 2^{22564325664455} is an apocalyptic number.

22564325664455 is a deficient number, since it is larger than the sum of its proper divisors (5777289041257).

22564325664455 is a wasteful number, since it uses less digits than its factorization.

22564325664455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840655 (or 10840632 counting only the distinct ones).

The product of its digits is 207360000, while the sum is 59.

The spelling of 22564325664455 in words is "twenty-two trillion, five hundred sixty-four billion, three hundred twenty-five million, six hundred sixty-four thousand, four hundred fifty-five".