22712677812 has 36 divisors (see below), whose sum is σ = 62631930816. Its totient is φ = 6882629520.

The previous prime is 22712677781. The next prime is 22712677831. The reversal of 22712677812 is 21877621722.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28677228 + ... + 28678019.

It is an arithmetic number, because the mean of its divisors is an integer number (1739775856).

Almost surely, 2^22712677812 is an apocalyptic number.

22712677812 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22712677812 is an abundant number, since it is smaller than the sum of its proper divisors (39919253004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22712677812 is a wasteful number, since it uses less digits than its factorization.

22712677812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57355268 (or 57355263 counting only the distinct ones).

The product of its digits is 263424, while the sum is 45.

The spelling of 22712677812 in words is "twenty-two billion, seven hundred twelve million, six hundred seventy-seven thousand, eight hundred twelve".