314221621 has 8 divisors (see below), whose sum is σ = 359536320. Its totient is φ = 269013408.

The previous prime is 314221619. The next prime is 314221627. The reversal of 314221621 is 126122413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 314221621 - 2¹ = 314221619 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 314221592 and 314221601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (314221627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20191 + ... + 32188.

It is an arithmetic number, because the mean of its divisors is an integer number (44942040).

Almost surely, 2^314221621 is an apocalyptic number.

It is an amenable number.

314221621 is a deficient number, since it is larger than the sum of its proper divisors (45314699).

314221621 is an equidigital number, since it uses as much as digits as its factorization.

314221621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53243.

The product of its digits is 576, while the sum is 22.

The square root of 314221621 is about 17726.2974419364. The cubic root of 314221621 is about 679.8483088687.

The spelling of 314221621 in words is "three hundred fourteen million, two hundred twenty-one thousand, six hundred twenty-one".