2212242271 has 2 divisors, whose sum is σ = 2212242272. Its totient is φ = 2212242270.

The previous prime is 2212242251. The next prime is 2212242341. The reversal of 2212242271 is 1722422122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212242271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212242251) 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, 1106121135 + 1106121136.

It is an arithmetic number, because the mean of its divisors is an integer number (1106121136).

Almost surely, 2^2212242271 is an apocalyptic number.

2212242271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212242271 is an equidigital number, since it uses as much as digits as its factorization.

2212242271 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 25.

The square root of 2212242271 is about 47034.4795974187. The cubic root of 2212242271 is about 1302.9994392771. Note that the first 3 decimals are identical.

Adding to 2212242271 its reverse (1722422122), we get a palindrome (3934664393).

The spelling of 2212242271 in words is "two billion, two hundred twelve million, two hundred forty-two thousand, two hundred seventy-one".