7227117257 has 2 divisors, whose sum is σ = 7227117258. Its totient is φ = 7227117256.

The previous prime is 7227117223. The next prime is 7227117281. The reversal of 7227117257 is 7527117227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7216332601 + 10784656 = 84949^2 + 3284^2 .

It is a cyclic number.

It is not a de Polignac number, because 7227117257 - 2¹⁶ = 7227051721 is a prime.

It is not a weakly prime, because it can be changed into another prime (7227119257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613558628 + 3613558629.

It is an arithmetic number, because the mean of its divisors is an integer number (3613558629).

Almost surely, 2^7227117257 is an apocalyptic number.

It is an amenable number.

7227117257 is a deficient number, since it is larger than the sum of its proper divisors (1).

7227117257 is an equidigital number, since it uses as much as digits as its factorization.

7227117257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96040, while the sum is 41.

The square root of 7227117257 is about 85012.4535406431. The cubic root of 7227117257 is about 1933.3999380509.

The spelling of 7227117257 in words is "seven billion, two hundred twenty-seven million, one hundred seventeen thousand, two hundred fifty-seven".