422678312 has 48 divisors (see below), whose sum is σ = 929063520. Its totient is φ = 179743200.

The previous prime is 422678309. The next prime is 422678359. The reversal of 422678312 is 213876224.

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 11 ways as a sum of consecutive naturals, for example, 47237 + ... + 55467.

It is an arithmetic number, because the mean of its divisors is an integer number (19355490).

Almost surely, 2^422678312 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 422678312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464531760).

422678312 is an abundant number, since it is smaller than the sum of its proper divisors (506385208).

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

422678312 is a wasteful number, since it uses less digits than its factorization.

422678312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8382 (or 8371 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 422678312 is about 20559.1418108831. The cubic root of 422678312 is about 750.4757349120.

The spelling of 422678312 in words is "four hundred twenty-two million, six hundred seventy-eight thousand, three hundred twelve".