322432997 has 2 divisors, whose sum is σ = 322432998. Its totient is φ = 322432996.

The previous prime is 322432969. The next prime is 322433029. The reversal of 322432997 is 799234223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 260951716 + 61481281 = 16154^2 + 7841^2 .

It is a cyclic number.

It is not a de Polignac number, because 322432997 - 2⁸ = 322432741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322432927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161216498 + 161216499.

It is an arithmetic number, because the mean of its divisors is an integer number (161216499).

Almost surely, 2^322432997 is an apocalyptic number.

It is an amenable number.

322432997 is a deficient number, since it is larger than the sum of its proper divisors (1).

322432997 is an equidigital number, since it uses as much as digits as its factorization.

322432997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 41.

The square root of 322432997 is about 17956.4193813800. The cubic root of 322432997 is about 685.7194898146.

The spelling of 322432997 in words is "three hundred twenty-two million, four hundred thirty-two thousand, nine hundred ninety-seven".