422546256 has 60 divisors (see below), whose sum is σ = 1290051360. Its totient is φ = 128043840.

The previous prime is 422546227. The next prime is 422546291. The reversal of 422546256 is 652645224.

422546256 is a `hidden beast` number, since 4 + 2 + 25 + 4 + 625 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 422546256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131796 + ... + 134963.

It is an arithmetic number, because the mean of its divisors is an integer number (21500856).

Almost surely, 2^422546256 is an apocalyptic number.

It is an amenable number.

422546256 is an abundant number, since it is smaller than the sum of its proper divisors (867505104).

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

422546256 is a wasteful number, since it uses less digits than its factorization.

422546256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266784 (or 266775 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 422546256 is about 20555.9299473412. The cubic root of 422546256 is about 750.3975705463.

The spelling of 422546256 in words is "four hundred twenty-two million, five hundred forty-six thousand, two hundred fifty-six".