422467812 has 120 divisors (see below), whose sum is σ = 1252204800. Its totient is φ = 123125184.

The previous prime is 422467807. The next prime is 422467847. The reversal of 422467812 is 218764224.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 77389 + ... + 82667.

It is an arithmetic number, because the mean of its divisors is an integer number (10435040).

Almost surely, 2^422467812 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 422467812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626102400).

422467812 is an abundant number, since it is smaller than the sum of its proper divisors (829736988).

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

422467812 is a wasteful number, since it uses less digits than its factorization.

422467812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5327 (or 5316 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 422467812 is about 20554.0217962325. The cubic root of 422467812 is about 750.3511315832.

The spelling of 422467812 in words is "four hundred twenty-two million, four hundred sixty-seven thousand, eight hundred twelve".