22579451791 has 4 divisors (see below), whose sum is σ = 24316332712. Its totient is φ = 20842570872.

The previous prime is 22579451789. The next prime is 22579451813. The reversal of 22579451791 is 19715497522.

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 22579451791 - 2¹ = 22579451789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22579451701) 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, 868440441 + ... + 868440466.

It is an arithmetic number, because the mean of its divisors is an integer number (6079083178).

Almost surely, 2^22579451791 is an apocalyptic number.

22579451791 is a deficient number, since it is larger than the sum of its proper divisors (1736880921).

22579451791 is a wasteful number, since it uses less digits than its factorization.

22579451791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1736880920.

The product of its digits is 1587600, while the sum is 52.

The spelling of 22579451791 in words is "twenty-two billion, five hundred seventy-nine million, four hundred fifty-one thousand, seven hundred ninety-one".