22927294917 has 16 divisors (see below), whose sum is σ = 34396320000. Its totient is φ = 15091382592.

The previous prime is 22927294879. The next prime is 22927294961. The reversal of 22927294917 is 71949272922.

It is not a de Polignac number, because 22927294917 - 2⁶ = 22927294853 is a prime.

It is a super-2 number, since 2×22927294917² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22927290917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5372292 + ... + 5376557.

It is an arithmetic number, because the mean of its divisors is an integer number (2149770000).

Almost surely, 2^22927294917 is an apocalyptic number.

22927294917 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22927294917 is a deficient number, since it is larger than the sum of its proper divisors (11469025083).

22927294917 is a wasteful number, since it uses less digits than its factorization.

22927294917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10748937 (or 10748931 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 54.

The spelling of 22927294917 in words is "twenty-two billion, nine hundred twenty-seven million, two hundred ninety-four thousand, nine hundred seventeen".