422005012 has 48 divisors (see below), whose sum is σ = 905369472. Its totient is φ = 169361280.

The previous prime is 422005009. The next prime is 422005033. The reversal of 422005012 is 210500224.

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, 2883 + ... + 29194.

It is an arithmetic number, because the mean of its divisors is an integer number (18861864).

Almost surely, 2^422005012 is an apocalyptic number.

It is an amenable number.

422005012 is an abundant number, since it is smaller than the sum of its proper divisors (483364460).

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

422005012 is a wasteful number, since it uses less digits than its factorization.

422005012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32128 (or 32126 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 422005012 is about 20542.7605739832. The cubic root of 422005012 is about 750.0770362351.

Adding to 422005012 its reverse (210500224), we get a palindrome (632505236).

The spelling of 422005012 in words is "four hundred twenty-two million, five thousand, twelve".