2268279317 has 2 divisors, whose sum is σ = 2268279318. Its totient is φ = 2268279316.

The previous prime is 2268279313. The next prime is 2268279359. The reversal of 2268279317 is 7139728622.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1614914596 + 653364721 = 40186^2 + 25561^2 .

It is a cyclic number.

It is not a de Polignac number, because 2268279317 - 2² = 2268279313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268279313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134139658 + 1134139659.

It is an arithmetic number, because the mean of its divisors is an integer number (1134139659).

Almost surely, 2^2268279317 is an apocalyptic number.

It is an amenable number.

2268279317 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268279317 is an equidigital number, since it uses as much as digits as its factorization.

2268279317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 508032, while the sum is 47.

The square root of 2268279317 is about 47626.4560617311. The cubic root of 2268279317 is about 1313.9096760022.

The spelling of 2268279317 in words is "two billion, two hundred sixty-eight million, two hundred seventy-nine thousand, three hundred seventeen".