22042021068 has 72 divisors (see below), whose sum is σ = 60672284400. Its totient is φ = 6720610176.

The previous prime is 22042021019. The next prime is 22042021069. The reversal of 22042021068 is 86012024022.

It is a happy number.

22042021068 is a `hidden beast` number, since 2 + 20 + 420 + 210 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (22042021069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 535771 + ... + 575442.

Almost surely, 2^22042021068 is an apocalyptic number.

It is an amenable number.

22042021068 is an abundant number, since it is smaller than the sum of its proper divisors (38630263332).

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

22042021068 is a wasteful number, since it uses less digits than its factorization.

22042021068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111271 (or 1111266 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The spelling of 22042021068 in words is "twenty-two billion, forty-two million, twenty-one thousand, sixty-eight".