422430012 has 48 divisors (see below), whose sum is σ = 1096345600. Its totient is φ = 140661360.

The previous prime is 422429971. The next prime is 422430061. The reversal of 422430012 is 210034224.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 157539 + ... + 160197.

Almost surely, 2^422430012 is an apocalyptic number.

It is an amenable number.

422430012 is an abundant number, since it is smaller than the sum of its proper divisors (673915588).

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

422430012 is a wasteful number, since it uses less digits than its factorization.

422430012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4143 (or 4135 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 422430012 is about 20553.1022475927. The cubic root of 422430012 is about 750.3287518752.

Adding to 422430012 its reverse (210034224), we get a palindrome (632464236).

The spelling of 422430012 in words is "four hundred twenty-two million, four hundred thirty thousand, twelve".