422883072 has 144 divisors (see below), whose sum is σ = 1260984480. Its totient is φ = 139788288.

The previous prime is 422883053. The next prime is 422883073. The reversal of 422883072 is 270388224.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422883073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1333858 + ... + 1334174.

Almost surely, 2^422883072 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 422883072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630492240).

422883072 is an abundant number, since it is smaller than the sum of its proper divisors (838101408).

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

422883072 is a wasteful number, since it uses less digits than its factorization.

422883072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535 (or 515 counting only the distinct ones).

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

The square root of 422883072 is about 20564.1209877787. The cubic root of 422883072 is about 750.5969008199.

The spelling of 422883072 in words is "four hundred twenty-two million, eight hundred eighty-three thousand, seventy-two".