2266608889 has 2 divisors, whose sum is σ = 2266608890. Its totient is φ = 2266608888.

The previous prime is 2266608811. The next prime is 2266608907. The reversal of 2266608889 is 9888066622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1677721600 + 588887289 = 40960^2 + 24267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2266608889 - 2¹⁵ = 2266576121 is a prime.

It is not a weakly prime, because it can be changed into another prime (2266608809) 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, 1133304444 + 1133304445.

It is an arithmetic number, because the mean of its divisors is an integer number (1133304445).

Almost surely, 2^2266608889 is an apocalyptic number.

It is an amenable number.

2266608889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2266608889 is an equidigital number, since it uses as much as digits as its factorization.

2266608889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The square root of 2266608889 is about 47608.9160662160. The cubic root of 2266608889 is about 1313.5870628087.

The spelling of 2266608889 in words is "two billion, two hundred sixty-six million, six hundred eight thousand, eight hundred eighty-nine".