322560 has 132 divisors (see below), whose sum is σ = 1277328. Its totient is φ = 73728.

The previous prime is 322559. The next prime is 322571. The reversal of 322560 is 65223.

It is a Jordan-Polya number, since it can be written as 8! ⋅ (2!)³.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46077 + ... + 46083.

2³²²⁵⁶⁰ is an apocalyptic number.

322560 is a gapful number since it is divisible by the number (30) 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 322560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638664).

322560 is an abundant number, since it is smaller than the sum of its proper divisors (954768).

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

322560 is a wasteful number, since it uses less digits than its factorization.

322560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 322560 is about 567.9436591776. The cubic root of 322560 is about 68.5809510585.

Adding to 322560 its reverse (65223), we get a palindrome (387783).

The spelling of 322560 in words is "three hundred twenty-two thousand, five hundred sixty".