314022391 has 2 divisors, whose sum is σ = 314022392. Its totient is φ = 314022390.

The previous prime is 314022377. The next prime is 314022409. The reversal of 314022391 is 193220413.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-314022391 is a prime.

It is a super-2 number, since 2×314022391² = 197220124098713762, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314022301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157011195 + 157011196.

It is an arithmetic number, because the mean of its divisors is an integer number (157011196).

Almost surely, 2^314022391 is an apocalyptic number.

314022391 is a deficient number, since it is larger than the sum of its proper divisors (1).

314022391 is an equidigital number, since it uses as much as digits as its factorization.

314022391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 314022391 is about 17720.6769340226. The cubic root of 314022391 is about 679.7045941508.

It can be divided in two parts, 314022 and 391, that added together give a palindrome (314413).

The spelling of 314022391 in words is "three hundred fourteen million, twenty-two thousand, three hundred ninety-one".