322480 has 40 divisors (see below), whose sum is σ = 781200. Its totient is φ = 123648.

The previous prime is 322463. The next prime is 322501. The reversal of 322480 is 84223.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

322480 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2251 + ... + 2389.

It is an arithmetic number, because the mean of its divisors is an integer number (19530).

2³²²⁴⁸⁰ 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 322480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390600).

322480 is an abundant number, since it is smaller than the sum of its proper divisors (458720).

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

322480 is a wasteful number, since it uses less digits than its factorization.

322480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 322480 is about 567.8732252889. The cubic root of 322480 is about 68.5752808682.

The spelling of 322480 in words is "three hundred twenty-two thousand, four hundred eighty".