23222620565 has 16 divisors (see below), whose sum is σ = 29098607616. Its totient is φ = 17758224000.

The previous prime is 23222620537. The next prime is 23222620571. The reversal of 23222620565 is 56502622232.

It is a de Polignac number, because none of the positive numbers 2^k-23222620565 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102140 + ... + 238490.

It is an arithmetic number, because the mean of its divisors is an integer number (1818662976).

Almost surely, 2^23222620565 is an apocalyptic number.

It is an amenable number.

23222620565 is a deficient number, since it is larger than the sum of its proper divisors (5875987051).

23222620565 is a wasteful number, since it uses less digits than its factorization.

23222620565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137860.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 23222620565 in words is "twenty-three billion, two hundred twenty-two million, six hundred twenty thousand, five hundred sixty-five".