22556887042 has 16 divisors (see below), whose sum is σ = 34007657112. Its totient is φ = 11221079040.

The previous prime is 22556887007. The next prime is 22556887051. The reversal of 22556887042 is 24078865522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22556735721 + 151321 = 150189^2 + 389^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 585742 + ... + 623062.

Almost surely, 2^22556887042 is an apocalyptic number.

22556887042 is a deficient number, since it is larger than the sum of its proper divisors (11450770070).

22556887042 is a wasteful number, since it uses less digits than its factorization.

22556887042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38853.

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 22556887042 in words is "twenty-two billion, five hundred fifty-six million, eight hundred eighty-seven thousand, forty-two".