22256942712 has 32 divisors (see below), whose sum is σ = 56267557200. Its totient is φ = 7335620864.

The previous prime is 22256942689. The next prime is 22256942723. The reversal of 22256942712 is 21724965222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5207823 + ... + 5212094.

Almost surely, 2^22256942712 is an apocalyptic number.

It is an amenable number.

22256942712 is an abundant number, since it is smaller than the sum of its proper divisors (34010614488).

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

22256942712 is a wasteful number, since it uses less digits than its factorization.

22256942712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10420015 (or 10420011 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 22256942712 in words is "twenty-two billion, two hundred fifty-six million, nine hundred forty-two thousand, seven hundred twelve".