2220066617 has 2 divisors, whose sum is σ = 2220066618. Its totient is φ = 2220066616.

The previous prime is 2220066593. The next prime is 2220066619. The reversal of 2220066617 is 7166600222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2213796601 + 6270016 = 47051^2 + 2504^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220066617 - 2⁸ = 2220066361 is a prime.

Together with 2220066619, 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 (2220066619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110033308 + 1110033309.

It is an arithmetic number, because the mean of its divisors is an integer number (1110033309).

Almost surely, 2^2220066617 is an apocalyptic number.

It is an amenable number.

2220066617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220066617 is an equidigital number, since it uses as much as digits as its factorization.

2220066617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 2220066617 is about 47117.5828857975. The cubic root of 2220066617 is about 1304.5337984273.

Adding to 2220066617 its reverse (7166600222), we get a palindrome (9386666839).

The spelling of 2220066617 in words is "two billion, two hundred twenty million, sixty-six thousand, six hundred seventeen".