2168222911 has 2 divisors, whose sum is σ = 2168222912. Its totient is φ = 2168222910.

The previous prime is 2168222893. The next prime is 2168222923. The reversal of 2168222911 is 1192228612.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2168222911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2168222011) 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, 1084111455 + 1084111456.

It is an arithmetic number, because the mean of its divisors is an integer number (1084111456).

Almost surely, 2^2168222911 is an apocalyptic number.

2168222911 is a deficient number, since it is larger than the sum of its proper divisors (1).

2168222911 is an equidigital number, since it uses as much as digits as its factorization.

2168222911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 34.

The square root of 2168222911 is about 46564.1805575917. The cubic root of 2168222911 is about 1294.2990817463.

The spelling of 2168222911 in words is "two billion, one hundred sixty-eight million, two hundred twenty-two thousand, nine hundred eleven".