22765741765 has 32 divisors (see below), whose sum is σ = 31689060480. Its totient is φ = 15556375296.

The previous prime is 22765741753. The next prime is 22765741781. The reversal of 22765741765 is 56714756722.

It is a cyclic number.

It is not a de Polignac number, because 22765741765 - 2⁷ = 22765741637 is a prime.

It is a super-2 number, since 2×22765741765² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 161242 + ... + 267451.

It is an arithmetic number, because the mean of its divisors is an integer number (990283140).

Almost surely, 2^22765741765 is an apocalyptic number.

It is an amenable number.

22765741765 is a deficient number, since it is larger than the sum of its proper divisors (8923318715).

22765741765 is a wasteful number, since it uses less digits than its factorization.

22765741765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428773.

The product of its digits is 4939200, while the sum is 52.

The spelling of 22765741765 in words is "twenty-two billion, seven hundred sixty-five million, seven hundred forty-one thousand, seven hundred sixty-five".