322340407 has 2 divisors, whose sum is σ = 322340408. Its totient is φ = 322340406.

The previous prime is 322340371. The next prime is 322340437. The reversal of 322340407 is 704043223.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 322340407 - 2¹⁵ = 322307639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322340437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161170203 + 161170204.

It is an arithmetic number, because the mean of its divisors is an integer number (161170204).

Almost surely, 2^322340407 is an apocalyptic number.

322340407 is a deficient number, since it is larger than the sum of its proper divisors (1).

322340407 is an equidigital number, since it uses as much as digits as its factorization.

322340407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 322340407 is about 17953.8410096558. The cubic root of 322340407 is about 685.6538463616.

The spelling of 322340407 in words is "three hundred twenty-two million, three hundred forty thousand, four hundred seven".