313222401 has 12 divisors (see below), whose sum is σ = 452616528. Its totient is φ = 208729944.

The previous prime is 313222381. The next prime is 313222457. The reversal of 313222401 is 104222313.

It is not a de Polignac number, because 313222401 - 2⁵ = 313222369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (313222601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22966 + ... + 33968.

It is an arithmetic number, because the mean of its divisors is an integer number (37718044).

Almost surely, 2^313222401 is an apocalyptic number.

It is an amenable number.

313222401 is a deficient number, since it is larger than the sum of its proper divisors (139394127).

313222401 is a wasteful number, since it uses less digits than its factorization.

313222401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172 (or 14169 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 313222401 is about 17698.0903207097. The cubic root of 313222401 is about 679.1269078678.

Adding to 313222401 its reverse (104222313), we get a palindrome (417444714).

The spelling of 313222401 in words is "three hundred thirteen million, two hundred twenty-two thousand, four hundred one".