6314912221 has 2 divisors, whose sum is σ = 6314912222. Its totient is φ = 6314912220.

The previous prime is 6314912179. The next prime is 6314912237. The reversal of 6314912221 is 1222194136.

6314912221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3397724100 + 2917188121 = 58290^2 + 54011^2 .

It is a cyclic number.

It is not a de Polignac number, because 6314912221 - 2¹⁵ = 6314879453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6314912281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157456110 + 3157456111.

It is an arithmetic number, because the mean of its divisors is an integer number (3157456111).

Almost surely, 2^6314912221 is an apocalyptic number.

It is an amenable number.

6314912221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6314912221 is an equidigital number, since it uses as much as digits as its factorization.

6314912221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 6314912221 is about 79466.4219717989. The cubic root of 6314912221 is about 1848.3708297578.

The spelling of 6314912221 in words is "six billion, three hundred fourteen million, nine hundred twelve thousand, two hundred twenty-one".