314221651 has 2 divisors, whose sum is σ = 314221652. Its totient is φ = 314221650.

The previous prime is 314221637. The next prime is 314221667. The reversal of 314221651 is 156122413.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 314221651 - 2⁵ = 314221619 is a prime.

It is not a weakly prime, because it can be changed into another prime (314221051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157110825 + 157110826.

It is an arithmetic number, because the mean of its divisors is an integer number (157110826).

Almost surely, 2^314221651 is an apocalyptic number.

314221651 is a deficient number, since it is larger than the sum of its proper divisors (1).

314221651 is an equidigital number, since it uses as much as digits as its factorization.

314221651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 314221651 is about 17726.2982881368. The cubic root of 314221651 is about 679.8483305047.

The spelling of 314221651 in words is "three hundred fourteen million, two hundred twenty-one thousand, six hundred fifty-one".