22276868391 has 24 divisors (see below), whose sum is σ = 34579035504. Its totient is φ = 13769015040.

The previous prime is 22276868387. The next prime is 22276868399. The reversal of 22276868391 is 19386867222.

It is not a de Polignac number, because 22276868391 - 2² = 22276868387 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22276868399) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1076320 + ... + 1096821.

It is an arithmetic number, because the mean of its divisors is an integer number (1440793146).

Almost surely, 2^22276868391 is an apocalyptic number.

22276868391 is a deficient number, since it is larger than the sum of its proper divisors (12302167113).

22276868391 is a wasteful number, since it uses less digits than its factorization.

22276868391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173231 (or 2173228 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The spelling of 22276868391 in words is "twenty-two billion, two hundred seventy-six million, eight hundred sixty-eight thousand, three hundred ninety-one".