2212209617 has 2 divisors, whose sum is σ = 2212209618. Its totient is φ = 2212209616.

The previous prime is 2212209611. The next prime is 2212209619. The reversal of 2212209617 is 7169022122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2022210961 + 189998656 = 44969^2 + 13784^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212209617 - 2⁶ = 2212209553 is a prime.

Together with 2212209619, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2212209611) 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, 1106104808 + 1106104809.

It is an arithmetic number, because the mean of its divisors is an integer number (1106104809).

Almost surely, 2^2212209617 is an apocalyptic number.

It is an amenable number.

2212209617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212209617 is an equidigital number, since it uses as much as digits as its factorization.

2212209617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2212209617 is about 47034.1324678153. The cubic root of 2212209617 is about 1302.9930282323.

The spelling of 2212209617 in words is "two billion, two hundred twelve million, two hundred nine thousand, six hundred seventeen".