422312256 has 168 divisors, whose sum is σ = 1271771904. Its totient is φ = 133816320.

The previous prime is 422312243. The next prime is 422312263. The reversal of 422312256 is 652213224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1196176 + ... + 1196528.

Almost surely, 2^422312256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422312256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (635885952).

422312256 is an abundant number, since it is smaller than the sum of its proper divisors (849459648).

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

422312256 is a wasteful number, since it uses less digits than its factorization.

422312256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 456 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 422312256 is about 20550.2373708919. The cubic root of 422312256 is about 750.2590251976.

The spelling of 422312256 in words is "four hundred twenty-two million, three hundred twelve thousand, two hundred fifty-six".