422945012 has 48 divisors (see below), whose sum is σ = 878895360. Its totient is φ = 174316800.

The previous prime is 422944943. The next prime is 422945021. The reversal of 422945012 is 210549224.

It is a congruent number.

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, 78914 + ... + 84102.

It is an arithmetic number, because the mean of its divisors is an integer number (18310320).

Almost surely, 2^422945012 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 422945012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (439447680).

422945012 is an abundant number, since it is smaller than the sum of its proper divisors (455950348).

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

422945012 is a wasteful number, since it uses less digits than its factorization.

422945012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5312 (or 5310 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 422945012 is about 20565.6269537303. The cubic root of 422945012 is about 750.6335458607.

The spelling of 422945012 in words is "four hundred twenty-two million, nine hundred forty-five thousand, twelve".