322428324 has 96 divisors (see below), whose sum is σ = 819092736. Its totient is φ = 98344960.

The previous prime is 322428299. The next prime is 322428331. The reversal of 322428324 is 423824223.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 322428291 and 322428300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1636594 + ... + 1636790.

It is an arithmetic number, because the mean of its divisors is an integer number (8532216).

Almost surely, 2^322428324 is an apocalyptic number.

322428324 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322428324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409546368).

322428324 is an abundant number, since it is smaller than the sum of its proper divisors (496664412).

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

322428324 is a wasteful number, since it uses less digits than its factorization.

322428324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 403 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 322428324 is about 17956.2892603121. The cubic root of 322428324 is about 685.7161771029.

The spelling of 322428324 in words is "three hundred twenty-two million, four hundred twenty-eight thousand, three hundred twenty-four".