322213139 has 2 divisors, whose sum is σ = 322213140. Its totient is φ = 322213138.

The previous prime is 322213127. The next prime is 322213159. The reversal of 322213139 is 931312223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322213139 - 2²⁸ = 53777683 is a prime.

It is not a weakly prime, because it can be changed into another prime (322213109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161106569 + 161106570.

It is an arithmetic number, because the mean of its divisors is an integer number (161106570).

Almost surely, 2^322213139 is an apocalyptic number.

322213139 is a deficient number, since it is larger than the sum of its proper divisors (1).

322213139 is an equidigital number, since it uses as much as digits as its factorization.

322213139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 26.

The square root of 322213139 is about 17950.2963485286. The cubic root of 322213139 is about 685.5635967593.

It can be divided in two parts, 3222 and 13139, that added together give a palindrome (16361).

The spelling of 322213139 in words is "three hundred twenty-two million, two hundred thirteen thousand, one hundred thirty-nine".