322064321 has 2 divisors, whose sum is σ = 322064322. Its totient is φ = 322064320.

The previous prime is 322064297. The next prime is 322064357. The reversal of 322064321 is 123460223.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292033921 + 30030400 = 17089^2 + 5480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322064321 is a prime.

It is a super-2 number, since 2×322064321² = 207450853722382082, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (322064221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161032160 + 161032161.

It is an arithmetic number, because the mean of its divisors is an integer number (161032161).

Almost surely, 2^322064321 is an apocalyptic number.

It is an amenable number.

322064321 is a deficient number, since it is larger than the sum of its proper divisors (1).

322064321 is an equidigital number, since it uses as much as digits as its factorization.

322064321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 322064321 is about 17946.1505900290. The cubic root of 322064321 is about 685.4580352514.

The spelling of 322064321 in words is "three hundred twenty-two million, sixty-four thousand, three hundred twenty-one".