22142807406828 has 36 divisors (see below), whose sum is σ = 56204345885688. Its totient is φ = 7350309509760.

The previous prime is 22142807406827. The next prime is 22142807406901. The reversal of 22142807406828 is 82860470824122.

It is a happy number.

22142807406828 is a `hidden beast` number, since 2 + 214 + 280 + 74 + 0 + 6 + 82 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (22142807406827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276086726 + ... + 1276104077.

It is an arithmetic number, because the mean of its divisors is an integer number (1561231830158).

Almost surely, 2^{22142807406828} is an apocalyptic number.

It is an amenable number.

22142807406828 is an abundant number, since it is smaller than the sum of its proper divisors (34061538478860).

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

22142807406828 is a wasteful number, since it uses less digits than its factorization.

22142807406828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552191054 (or 2552191049 counting only the distinct ones).

The product of its (nonzero) digits is 5505024, while the sum is 54.

The spelling of 22142807406828 in words is "twenty-two trillion, one hundred forty-two billion, eight hundred seven million, four hundred six thousand, eight hundred twenty-eight".