2212311247 has 2 divisors, whose sum is σ = 2212311248. Its totient is φ = 2212311246.

The previous prime is 2212311229. The next prime is 2212311263. The reversal of 2212311247 is 7421132122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2212311247 - 2⁷ = 2212311119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212311287) 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, 1106155623 + 1106155624.

It is an arithmetic number, because the mean of its divisors is an integer number (1106155624).

Almost surely, 2^2212311247 is an apocalyptic number.

2212311247 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212311247 is an equidigital number, since it uses as much as digits as its factorization.

2212311247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 25.

The square root of 2212311247 is about 47035.2128410194. The cubic root of 2212311247 is about 1303.0129813073.

Adding to 2212311247 its reverse (7421132122), we get a palindrome (9633443369).

The spelling of 2212311247 in words is "two billion, two hundred twelve million, three hundred eleven thousand, two hundred forty-seven".