22651939673 has 6 divisors (see below), whose sum is σ = 24898413162. Its totient is φ = 20592672320.

The previous prime is 22651939657. The next prime is 22651939741. The reversal of 22651939673 is 37693915622.

It can be written as a sum of positive squares in only one way, i.e., 13307237449 + 9344702224 = 115357^2 + 96668^2 .

It is not a de Polignac number, because 22651939673 - 2⁴ = 22651939657 is a prime.

It is a super-2 number, since 2×22651939673² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22651939633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93602936 + ... + 93603177.

It is an arithmetic number, because the mean of its divisors is an integer number (4149735527).

Almost surely, 2^22651939673 is an apocalyptic number.

It is an amenable number.

22651939673 is a deficient number, since it is larger than the sum of its proper divisors (2246473489).

22651939673 is a wasteful number, since it uses less digits than its factorization.

22651939673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187206135 (or 187206124 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 53.

The spelling of 22651939673 in words is "twenty-two billion, six hundred fifty-one million, nine hundred thirty-nine thousand, six hundred seventy-three".