422724632 has 48 divisors (see below), whose sum is σ = 885620400. Its totient is φ = 188971200.

The previous prime is 422724629. The next prime is 422724647. The reversal of 422724632 is 236427224.

It is a super-2 number, since 2×422724632² = 357392228999070848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55469 + ... + 62627.

It is an arithmetic number, because the mean of its divisors is an integer number (18450425).

Almost surely, 2^422724632 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 422724632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442810200).

422724632 is an abundant number, since it is smaller than the sum of its proper divisors (462895768).

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

422724632 is a wasteful number, since it uses less digits than its factorization.

422724632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248 (or 7233 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 422724632 is about 20560.2682861873. The cubic root of 422724632 is about 750.5031480103.

The spelling of 422724632 in words is "four hundred twenty-two million, seven hundred twenty-four thousand, six hundred thirty-two".