22791123159 has 8 divisors (see below), whose sum is σ = 34729330560. Its totient is φ = 13023498936.

The previous prime is 22791123077. The next prime is 22791123161. The reversal of 22791123159 is 95132119722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22791123159 - 2¹⁶ = 22791057623 is a prime.

It is a super-2 number, since 2×22791123159² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22791123159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22791123059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 542645769 + ... + 542645810.

It is an arithmetic number, because the mean of its divisors is an integer number (4341166320).

Almost surely, 2^22791123159 is an apocalyptic number.

22791123159 is a deficient number, since it is larger than the sum of its proper divisors (11938207401).

22791123159 is a wasteful number, since it uses less digits than its factorization.

22791123159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085291589.

The product of its digits is 68040, while the sum is 42.

The spelling of 22791123159 in words is "twenty-two billion, seven hundred ninety-one million, one hundred twenty-three thousand, one hundred fifty-nine".