322140 has 96 divisors (see below), whose sum is σ = 1128960. Its totient is φ = 66816.

The previous prime is 322139. The next prime is 322169. The reversal of 322140 is 41223.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 322140.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5431 + ... + 5489.

It is an arithmetic number, because the mean of its divisors is an integer number (11760).

2³²²¹⁴⁰ is an apocalyptic number.

322140 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 322140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (564480).

322140 is an abundant number, since it is smaller than the sum of its proper divisors (806820).

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

322140 is a wasteful number, since it uses less digits than its factorization.

322140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 89 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 322140 is about 567.5737837497. The cubic root of 322140 is about 68.5511720921.

Adding to 322140 its reverse (41223), we get a palindrome (363363).

The spelling of 322140 in words is "three hundred twenty-two thousand, one hundred forty", and thus it is an iban number.