324122213 has 2 divisors, whose sum is σ = 324122214. Its totient is φ = 324122212.

The previous prime is 324122209. The next prime is 324122243. The reversal of 324122213 is 312221423.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225060004 + 99062209 = 15002^2 + 9953^2 .

It is a cyclic number.

It is not a de Polignac number, because 324122213 - 2² = 324122209 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (324122203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 162061106 + 162061107.

It is an arithmetic number, because the mean of its divisors is an integer number (162061107).

Almost surely, 2^324122213 is an apocalyptic number.

It is an amenable number.

324122213 is a deficient number, since it is larger than the sum of its proper divisors (1).

324122213 is an equidigital number, since it uses as much as digits as its factorization.

324122213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 324122213 is about 18003.3944854852. The cubic root of 324122213 is about 686.9148920600.

Adding to 324122213 its reverse (312221423), we get a palindrome (636343636).

The spelling of 324122213 in words is "three hundred twenty-four million, one hundred twenty-two thousand, two hundred thirteen".