324220 has 48 divisors (see below), whose sum is σ = 776160. Its totient is φ = 112896.

The previous prime is 324217. The next prime is 324223. The reversal of 324220 is 22423.

It is an interprime number because it is at equal distance from previous prime (324217) and next prime (324223).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 324220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324223) 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 15 ways as a sum of consecutive naturals, for example, 7519 + ... + 7561.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2³²⁴²²⁰ 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 324220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388080).

324220 is an abundant number, since it is smaller than the sum of its proper divisors (451940).

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

324220 is a wasteful number, since it uses less digits than its factorization.

324220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 324220 is about 569.4031963381. The cubic root of 324220 is about 68.6983965381.

Adding to 324220 its reverse (22423), we get a palindrome (346643).

The spelling of 324220 in words is "three hundred twenty-four thousand, two hundred twenty", and thus it is an iban number.