314722621 has 4 divisors (see below), whose sum is σ = 314772700. Its totient is φ = 314672544.

The previous prime is 314722613. The next prime is 314722627. The reversal of 314722621 is 126227413.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 192376900 + 122345721 = 13870^2 + 11061^2 .

It is a cyclic number.

It is not a de Polignac number, because 314722621 - 2³ = 314722613 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 314722621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314722627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13986 + ... + 28723.

It is an arithmetic number, because the mean of its divisors is an integer number (78693175).

Almost surely, 2^314722621 is an apocalyptic number.

It is an amenable number.

314722621 is a deficient number, since it is larger than the sum of its proper divisors (50079).

314722621 is an equidigital number, since it uses as much as digits as its factorization.

314722621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50078.

The product of its digits is 4032, while the sum is 28.

The square root of 314722621 is about 17740.4233602245. The cubic root of 314722621 is about 680.2094373618.

The spelling of 314722621 in words is "three hundred fourteen million, seven hundred twenty-two thousand, six hundred twenty-one".