422688913375392 has 36 divisors (see below), whose sum is σ = 1202021597412090. Its totient is φ = 140896304458368.

The previous prime is 422688913375387. The next prime is 422688913375411. The reversal of 422688913375392 is 293573319886224.

422688913375392 is a `hidden beast` number, since 4 + 2 + 2 + 6 + 8 + 89 + 1 + 3 + 3 + 7 + 539 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 371750945352336 + 50937968023056 = 19280844^2 + 7137084^2 .

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

It is a super-2 number, since 2×422688913375392² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 422688913375392.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 733834918767 + ... + 733834919342.

Almost surely, 2^{422688913375392} is an apocalyptic number.

It is an amenable number.

422688913375392 is an abundant number, since it is smaller than the sum of its proper divisors (779332684036698).

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

422688913375392 is a wasteful number, since it uses less digits than its factorization.

422688913375392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467669838125 (or 1467669838114 counting only the distinct ones).

The product of its digits is 940584960, while the sum is 72.

The spelling of 422688913375392 in words is "four hundred twenty-two trillion, six hundred eighty-eight billion, nine hundred thirteen million, three hundred seventy-five thousand, three hundred ninety-two".