322272912 has 80 divisors (see below), whose sum is σ = 900720128. Its totient is φ = 98703360.

The previous prime is 322272901. The next prime is 322272947. The reversal of 322272912 is 219272223.

It is a self number, because there is not a number n which added to its sum of digits gives 322272912.

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, 149313 + ... + 151455.

Almost surely, 2^322272912 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 322272912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450360064).

322272912 is an abundant number, since it is smaller than the sum of its proper divisors (578447216).

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

322272912 is a wasteful number, since it uses less digits than its factorization.

322272912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2408 (or 2402 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 322272912 is about 17951.9612299047. The cubic root of 322272912 is about 685.6059865672.

The spelling of 322272912 in words is "three hundred twenty-two million, two hundred seventy-two thousand, nine hundred twelve".