2266616917 has 2 divisors, whose sum is σ = 2266616918. Its totient is φ = 2266616916.

The previous prime is 2266616861. The next prime is 2266616939. The reversal of 2266616917 is 7196166622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2266616881 + 36 = 47609^2 + 6^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266616917 - 2¹⁵ = 2266584149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2266616617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1133308458 + 1133308459.

It is an arithmetic number, because the mean of its divisors is an integer number (1133308459).

Almost surely, 2^2266616917 is an apocalyptic number.

It is an amenable number.

2266616917 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266616917 is an equidigital number, since it uses as much as digits as its factorization.

2266616917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 2266616917 is about 47609.0003780798. Note that the first 3 decimals coincide. The cubic root of 2266616917 is about 1313.5886136519.

The spelling of 2266616917 in words is "two billion, two hundred sixty-six million, six hundred sixteen thousand, nine hundred seventeen".