22412044428 has 12 divisors (see below), whose sum is σ = 52294770360. Its totient is φ = 7470681472.

The previous prime is 22412044397. The next prime is 22412044429. The reversal of 22412044428 is 82444021422.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (22412044429) 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, 933835173 + ... + 933835196.

It is an arithmetic number, because the mean of its divisors is an integer number (4357897530).

Almost surely, 2^22412044428 is an apocalyptic number.

It is an amenable number.

22412044428 is an abundant number, since it is smaller than the sum of its proper divisors (29882725932).

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

22412044428 is a wasteful number, since it uses less digits than its factorization.

22412044428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867670376 (or 1867670374 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 33.

The spelling of 22412044428 in words is "twenty-two billion, four hundred twelve million, forty-four thousand, four hundred twenty-eight".