322605401 has 2 divisors, whose sum is σ = 322605402. Its totient is φ = 322605400.

The previous prime is 322605397. The next prime is 322605407. The reversal of 322605401 is 104506223.

322605401 = 12700² + 12701².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 161315401 + 161290000 = 12701^2 + 12700^2 .

It is a cyclic number.

It is not a de Polignac number, because 322605401 - 2² = 322605397 is a prime.

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 (322605407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161302700 + 161302701.

It is an arithmetic number, because the mean of its divisors is an integer number (161302701).

Almost surely, 2^322605401 is an apocalyptic number.

322605401 is the 12701-st centered square number.

It is an amenable number.

322605401 is a deficient number, since it is larger than the sum of its proper divisors (1).

322605401 is an equidigital number, since it uses as much as digits as its factorization.

322605401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 322605401 is about 17961.2193628384. The cubic root of 322605401 is about 685.8416854537.

The spelling of 322605401 in words is "three hundred twenty-two million, six hundred five thousand, four hundred one".