22365765845 has 32 divisors (see below), whose sum is σ = 29426872320. Its totient is φ = 16243225600.

The previous prime is 22365765841. The next prime is 22365765893. The reversal of 22365765845 is 54856756322.

It is a happy number.

It is not a de Polignac number, because 22365765845 - 2² = 22365765841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22365765841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2833274 + ... + 2841156.

It is an arithmetic number, because the mean of its divisors is an integer number (919589760).

Almost surely, 2^22365765845 is an apocalyptic number.

It is an amenable number.

22365765845 is a deficient number, since it is larger than the sum of its proper divisors (7061106475).

22365765845 is a wasteful number, since it uses less digits than its factorization.

22365765845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9085.

The product of its digits is 12096000, while the sum is 53.

The spelling of 22365765845 in words is "twenty-two billion, three hundred sixty-five million, seven hundred sixty-five thousand, eight hundred forty-five".