422135537156 has 12 divisors (see below), whose sum is σ = 738742255692. Its totient is φ = 211066321248.

The previous prime is 422135537149. The next prime is 422135537189. The reversal of 422135537156 is 651735531224.

It can be written as a sum of positive squares in 2 ways, for example, as 228086477056 + 194049060100 = 477584^2 + 440510^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549386 + ... + 1070558.

It is an arithmetic number, because the mean of its divisors is an integer number (61561854641).

Almost surely, 2^422135537156 is an apocalyptic number.

It is an amenable number.

422135537156 is a deficient number, since it is larger than the sum of its proper divisors (316606718536).

422135537156 is a wasteful number, since it uses less digits than its factorization.

422135537156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723670 (or 723668 counting only the distinct ones).

The product of its digits is 756000, while the sum is 44.

The spelling of 422135537156 in words is "four hundred twenty-two billion, one hundred thirty-five million, five hundred thirty-seven thousand, one hundred fifty-six".