422564016 has 80 divisors (see below), whose sum is σ = 1250705664. Its totient is φ = 120429312.

The previous prime is 422563993. The next prime is 422564029. The reversal of 422564016 is 610465224.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155566 + ... + 158258.

Almost surely, 2^422564016 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 422564016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (625352832).

422564016 is an abundant number, since it is smaller than the sum of its proper divisors (828141648).

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

422564016 is a wasteful number, since it uses less digits than its factorization.

422564016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178 (or 3172 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 422564016 is about 20556.3619349339. The cubic root of 422564016 is about 750.4080836944.

The spelling of 422564016 in words is "four hundred twenty-two million, five hundred sixty-four thousand, sixteen".