22679247587 has 4 divisors (see below), whose sum is σ = 22681371360. Its totient is φ = 22677123816.

The previous prime is 22679247581. The next prime is 22679247629. The reversal of 22679247587 is 78574297622.

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 22679247587 - 2¹⁸ = 22678985443 is a prime.

It is a super-2 number, since 2×22679247587² (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 (22679247581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045787 + ... + 1067252.

It is an arithmetic number, because the mean of its divisors is an integer number (5670342840).

Almost surely, 2^22679247587 is an apocalyptic number.

22679247587 is a deficient number, since it is larger than the sum of its proper divisors (2123773).

22679247587 is a wasteful number, since it uses less digits than its factorization.

22679247587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2123772.

The product of its digits is 23708160, while the sum is 59.

The spelling of 22679247587 in words is "twenty-two billion, six hundred seventy-nine million, two hundred forty-seven thousand, five hundred eighty-seven".