22677172609 has 24 divisors (see below), whose sum is σ = 29176600488. Its totient is φ = 17457431040.

The previous prime is 22677172579. The next prime is 22677172613. The reversal of 22677172609 is 90627177622.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 362788209 + 22314384400 = 19047^2 + 149380^2 .

It is not a de Polignac number, because 22677172609 - 2²⁵ = 22643618177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (22677172649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457512 + ... + 504649.

It is an arithmetic number, because the mean of its divisors is an integer number (1215691687).

Almost surely, 2^22677172609 is an apocalyptic number.

It is an amenable number.

22677172609 is a deficient number, since it is larger than the sum of its proper divisors (6499427879).

22677172609 is a wasteful number, since it uses less digits than its factorization.

22677172609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962225 (or 962218 counting only the distinct ones).

The product of its (nonzero) digits is 889056, while the sum is 49.

The spelling of 22677172609 in words is "twenty-two billion, six hundred seventy-seven million, one hundred seventy-two thousand, six hundred nine".