22042027276728 has 16 divisors (see below), whose sum is σ = 55105068191880. Its totient is φ = 7347342425568.

The previous prime is 22042027276727. The next prime is 22042027276783. The reversal of 22042027276728 is 82767272024022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22042027276727) 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, 459208901575 + ... + 459208901622.

Almost surely, 2^{22042027276728} is an apocalyptic number.

It is an amenable number.

22042027276728 is an abundant number, since it is smaller than the sum of its proper divisors (33063040915152).

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

22042027276728 is a wasteful number, since it uses less digits than its factorization.

22042027276728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918417803206 (or 918417803202 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 51.

The spelling of 22042027276728 in words is "twenty-two trillion, forty-two billion, twenty-seven million, two hundred seventy-six thousand, seven hundred twenty-eight".