322313009 has 2 divisors, whose sum is σ = 322313010. Its totient is φ = 322313008.

The previous prime is 322312999. The next prime is 322313011. The reversal of 322313009 is 900313223.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 320517409 + 1795600 = 17903^2 + 1340^2 .

It is a cyclic number.

It is not a de Polignac number, because 322313009 - 2²⁸ = 53877553 is a prime.

Together with 322313011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (322313029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161156504 + 161156505.

It is an arithmetic number, because the mean of its divisors is an integer number (161156505).

Almost surely, 2^322313009 is an apocalyptic number.

It is an amenable number.

322313009 is a deficient number, since it is larger than the sum of its proper divisors (1).

322313009 is an equidigital number, since it uses as much as digits as its factorization.

322313009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 322313009 is about 17953.0779812265. The cubic root of 322313009 is about 685.6344196148.

The spelling of 322313009 in words is "three hundred twenty-two million, three hundred thirteen thousand, nine".