422123912 has 32 divisors (see below), whose sum is σ = 952161600. Its totient is φ = 171388224.

The previous prime is 422123909. The next prime is 422123927. The reversal of 422123912 is 219321224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197303 + ... + 199430.

It is an arithmetic number, because the mean of its divisors is an integer number (29755050).

Almost surely, 2^422123912 is an apocalyptic number.

It is an amenable number.

422123912 is an abundant number, since it is smaller than the sum of its proper divisors (530037688).

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

422123912 is a wasteful number, since it uses less digits than its factorization.

422123912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396765 (or 396761 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 422123912 is about 20545.6543337028. The cubic root of 422123912 is about 750.1474744072.

The spelling of 422123912 in words is "four hundred twenty-two million, one hundred twenty-three thousand, nine hundred twelve".