22564994205 has 32 divisors (see below), whose sum is σ = 38890010880. Its totient is φ = 11106408960.

The previous prime is 22564994197. The next prime is 22564994213. The reversal of 22564994205 is 50249946522.

It is an interprime number because it is at equal distance from previous prime (22564994197) and next prime (22564994213).

It is not a de Polignac number, because 22564994205 - 2³ = 22564994197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1089345 + ... + 1109865.

It is an arithmetic number, because the mean of its divisors is an integer number (1215312840).

Almost surely, 2^22564994205 is an apocalyptic number.

It is an amenable number.

22564994205 is a deficient number, since it is larger than the sum of its proper divisors (16325016675).

22564994205 is a wasteful number, since it uses less digits than its factorization.

22564994205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26181.

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 22564994205 in words is "twenty-two billion, five hundred sixty-four million, nine hundred ninety-four thousand, two hundred five".