322401263 has 2 divisors, whose sum is σ = 322401264. Its totient is φ = 322401262.

The previous prime is 322401259. The next prime is 322401301. The reversal of 322401263 is 362104223.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 322401263 - 2² = 322401259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (322401763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 161200631 + 161200632.

It is an arithmetic number, because the mean of its divisors is an integer number (161200632).

Almost surely, 2^322401263 is an apocalyptic number.

322401263 is a deficient number, since it is larger than the sum of its proper divisors (1).

322401263 is an equidigital number, since it uses as much as digits as its factorization.

322401263 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 322401263 is about 17955.5357202173. The cubic root of 322401263 is about 685.6969928034.

Adding to 322401263 its reverse (362104223), we get a palindrome (684505486).

The spelling of 322401263 in words is "three hundred twenty-two million, four hundred one thousand, two hundred sixty-three".