22813236397 has 12 divisors (see below), whose sum is σ = 26540338176. Its totient is φ = 19552366680.

The previous prime is 22813236371. The next prime is 22813236451. The reversal of 22813236397 is 79363231822.

It is not a de Polignac number, because 22813236397 - 2⁷ = 22813236269 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 (22813236317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 887508 + ... + 912850.

It is an arithmetic number, because the mean of its divisors is an integer number (2211694848).

Almost surely, 2^22813236397 is an apocalyptic number.

It is an amenable number.

22813236397 is a deficient number, since it is larger than the sum of its proper divisors (3727101779).

22813236397 is a wasteful number, since it uses less digits than its factorization.

22813236397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43728 (or 43721 counting only the distinct ones).

The product of its digits is 653184, while the sum is 46.

The spelling of 22813236397 in words is "twenty-two billion, eight hundred thirteen million, two hundred thirty-six thousand, three hundred ninety-seven".