22604665231 has 4 divisors (see below), whose sum is σ = 22606522312. Its totient is φ = 22602808152.

The previous prime is 22604665183. The next prime is 22604665243. The reversal of 22604665231 is 13256640622.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22604665231 - 2³¹ = 20457181583 is a prime.

It is a super-2 number, since 2×22604665231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22604663231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910161 + ... + 934666.

It is an arithmetic number, because the mean of its divisors is an integer number (5651630578).

Almost surely, 2^22604665231 is an apocalyptic number.

22604665231 is a deficient number, since it is larger than the sum of its proper divisors (1857081).

22604665231 is a wasteful number, since it uses less digits than its factorization.

22604665231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857080.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 22604665231 in words is "twenty-two billion, six hundred four million, six hundred sixty-five thousand, two hundred thirty-one".