324221130 has 80 divisors (see below), whose sum is σ = 917722080. Its totient is φ = 81904608.

The previous prime is 324221119. The next prime is 324221141. The reversal of 324221130 is 31122423.

It is an interprime number because it is at equal distance from previous prime (324221119) and next prime (324221141).

It is a super-2 number, since 2×324221130² = 210238682276953800, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4857 + ... + 25923.

It is an arithmetic number, because the mean of its divisors is an integer number (11471526).

Almost surely, 2^324221130 is an apocalyptic number.

324221130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 324221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458861040).

324221130 is an abundant number, since it is smaller than the sum of its proper divisors (593500950).

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

324221130 is a wasteful number, since it uses less digits than its factorization.

324221130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21105 (or 21096 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 324221130 is about 18006.1414522934. The cubic root of 324221130 is about 686.9847634919.

Adding to 324221130 its reverse (31122423), we get a palindrome (355343553).

The spelling of 324221130 in words is "three hundred twenty-four million, two hundred twenty-one thousand, one hundred thirty".