22945611689 has 32 divisors (see below), whose sum is σ = 30834929664. Its totient is φ = 16489961280.

The previous prime is 22945611607. The next prime is 22945611697. The reversal of 22945611689 is 98611654922.

It is not a de Polignac number, because 22945611689 - 2²⁸ = 22677176233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22945611689.

It is not an unprimeable number, because it can be changed into a prime (22945611089) 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, 1214852 + ... + 1233594.

It is an arithmetic number, because the mean of its divisors is an integer number (963591552).

Almost surely, 2^22945611689 is an apocalyptic number.

It is an amenable number.

22945611689 is a deficient number, since it is larger than the sum of its proper divisors (7889317975).

22945611689 is a wasteful number, since it uses less digits than its factorization.

22945611689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19997.

The product of its digits is 1866240, while the sum is 53.

The spelling of 22945611689 in words is "twenty-two billion, nine hundred forty-five million, six hundred eleven thousand, six hundred eighty-nine".