22109956124 has 12 divisors (see below), whose sum is σ = 39091314864. Its totient is φ = 10941009024.

The previous prime is 22109956123. The next prime is 22109956139. The reversal of 22109956124 is 42165990122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22109956123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28491824 + ... + 28492599.

It is an arithmetic number, because the mean of its divisors is an integer number (3257609572).

Almost surely, 2^22109956124 is an apocalyptic number.

It is an amenable number.

22109956124 is a deficient number, since it is larger than the sum of its proper divisors (16981358740).

22109956124 is a wasteful number, since it uses less digits than its factorization.

22109956124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56984524 (or 56984522 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 22109956124 in words is "twenty-two billion, one hundred nine million, nine hundred fifty-six thousand, one hundred twenty-four".