324412220 has 48 divisors (see below), whose sum is σ = 745113600. Its totient is φ = 117664320.

The previous prime is 324412181. The next prime is 324412243. The reversal of 324412220 is 22214423.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 324412192 and 324412201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94901 + ... + 98259.

It is an arithmetic number, because the mean of its divisors is an integer number (15523200).

Almost surely, 2^324412220 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 324412220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372556800).

324412220 is an abundant number, since it is smaller than the sum of its proper divisors (420701380).

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

324412220 is a wasteful number, since it uses less digits than its factorization.

324412220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3818 (or 3816 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 324412220 is about 18011.4469157811. The cubic root of 324412220 is about 687.1197024006.

Adding to 324412220 its reverse (22214423), we get a palindrome (346626643).

The spelling of 324412220 in words is "three hundred twenty-four million, four hundred twelve thousand, two hundred twenty".