2222200217 has 2 divisors, whose sum is σ = 2222200218. Its totient is φ = 2222200216.

The previous prime is 2222200207. The next prime is 2222200241. The reversal of 2222200217 is 7120022222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2128807321 + 93392896 = 46139^2 + 9664^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222200217 - 2¹⁴ = 2222183833 is a prime.

It is not a weakly prime, because it can be changed into another prime (2222200207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111100108 + 1111100109.

It is an arithmetic number, because the mean of its divisors is an integer number (1111100109).

Almost surely, 2^2222200217 is an apocalyptic number.

It is an amenable number.

2222200217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222200217 is an equidigital number, since it uses as much as digits as its factorization.

2222200217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 2222200217 is about 47140.2186778975. The cubic root of 2222200217 is about 1304.9515729988.

Adding to 2222200217 its reverse (7120022222), we get a palindrome (9342222439).

The spelling of 2222200217 in words is "two billion, two hundred twenty-two million, two hundred thousand, two hundred seventeen".