22616236623 has 4 divisors (see below), whose sum is σ = 30154982168. Its totient is φ = 15077491080.

The previous prime is 22616236567. The next prime is 22616236649. The reversal of 22616236623 is 32663261622.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22616236623 - 2¹⁰ = 22616235599 is a prime.

It is a super-2 number, since 2×22616236623² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22616246623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3769372768 + ... + 3769372773.

It is an arithmetic number, because the mean of its divisors is an integer number (7538745542).

Almost surely, 2^22616236623 is an apocalyptic number.

22616236623 is a deficient number, since it is larger than the sum of its proper divisors (7538745545).

22616236623 is an equidigital number, since it uses as much as digits as its factorization.

22616236623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7538745544.

The product of its digits is 186624, while the sum is 39.

The spelling of 22616236623 in words is "twenty-two billion, six hundred sixteen million, two hundred thirty-six thousand, six hundred twenty-three".