324412221 has 8 divisors (see below), whose sum is σ = 494342464. Its totient is φ = 185378400.

The previous prime is 324412181. The next prime is 324412243. The reversal of 324412221 is 122214423.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 324412221 - 2¹¹ = 324410173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 15448201 = 324412221 / (3 + 2 + 4 + 4 + 1 + 2 + 2 + 2 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (324412271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7724080 + ... + 7724121.

It is an arithmetic number, because the mean of its divisors is an integer number (61792808).

Almost surely, 2^324412221 is an apocalyptic number.

It is an amenable number.

324412221 is a deficient number, since it is larger than the sum of its proper divisors (169930243).

324412221 is a wasteful number, since it uses less digits than its factorization.

324412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15448211.

The product of its digits is 768, while the sum is 21.

The square root of 324412221 is about 18011.4469435412. The cubic root of 324412221 is about 687.1197031066.

Adding to 324412221 its reverse (122214423), we get a palindrome (446626644).

The spelling of 324412221 in words is "three hundred twenty-four million, four hundred twelve thousand, two hundred twenty-one".