322520 has 32 divisors (see below), whose sum is σ = 792720. Its totient is φ = 117120.

The previous prime is 322519. The next prime is 322523. The reversal of 322520 is 25223.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 322495 and 322504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74 + ... + 806.

2³²²⁵²⁰ 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 322520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396360).

322520 is an abundant number, since it is smaller than the sum of its proper divisors (470200).

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

322520 is a wasteful number, since it uses less digits than its factorization.

322520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 322520 is about 567.9084433252. The cubic root of 322520 is about 68.5781160806.

Adding to 322520 its reverse (25223), we get a palindrome (347743).

It can be divided in two parts, 32 and 2520, that added together give a palindrome (2552).

The spelling of 322520 in words is "three hundred twenty-two thousand, five hundred twenty".