322404032 has 56 divisors (see below), whose sum is σ = 654801840. Its totient is φ = 157455360.

The previous prime is 322403993. The next prime is 322404077. The reversal of 322404032 is 230404223.

It is a junction number, because it is equal to n+sod(n) for n = 322403995 and 322404013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1050023 + ... + 1050329.

It is an arithmetic number, because the mean of its divisors is an integer number (11692890).

Almost surely, 2^322404032 is an apocalyptic number.

322404032 is a gapful number since it is divisible by the number (32) 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 322404032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327400920).

322404032 is an abundant number, since it is smaller than the sum of its proper divisors (332397808).

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

322404032 is a wasteful number, since it uses less digits than its factorization.

322404032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 322404032 is about 17955.6128271914. The cubic root of 322404032 is about 685.6989558742.

Adding to 322404032 its reverse (230404223), we get a palindrome (552808255).

The spelling of 322404032 in words is "three hundred twenty-two million, four hundred four thousand, thirty-two".