322001213 has 2 divisors, whose sum is σ = 322001214. Its totient is φ = 322001212.

The previous prime is 322001209. The next prime is 322001257. The reversal of 322001213 is 312100223.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 321915364 + 85849 = 17942^2 + 293^2 .

It is an emirp because it is prime and its reverse (312100223) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 322001213 - 2² = 322001209 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322001203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161000606 + 161000607.

It is an arithmetic number, because the mean of its divisors is an integer number (161000607).

Almost surely, 2^322001213 is an apocalyptic number.

It is an amenable number.

322001213 is a deficient number, since it is larger than the sum of its proper divisors (1).

322001213 is an equidigital number, since it uses as much as digits as its factorization.

322001213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 322001213 is about 17944.3922438181. The cubic root of 322001213 is about 685.4132608501.

Adding to 322001213 its reverse (312100223), we get a palindrome (634101436).

The spelling of 322001213 in words is "three hundred twenty-two million, one thousand, two hundred thirteen".