2212200217 has 2 divisors, whose sum is σ = 2212200218. Its totient is φ = 2212200216.

The previous prime is 2212200203. The next prime is 2212200241. The reversal of 2212200217 is 7120022122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2070614016 + 141586201 = 45504^2 + 11899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2212200217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2212200194 and 2212200203.

It is not a weakly prime, because it can be changed into another prime (2212200817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106100108 + 1106100109.

It is an arithmetic number, because the mean of its divisors is an integer number (1106100109).

Almost surely, 2^2212200217 is an apocalyptic number.

It is an amenable number.

2212200217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212200217 is an equidigital number, since it uses as much as digits as its factorization.

2212200217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 2212200217 is about 47034.0325402787. The cubic root of 2212200217 is about 1302.9911826941.

Adding to 2212200217 its reverse (7120022122), we get a palindrome (9332222339).

The spelling of 2212200217 in words is "two billion, two hundred twelve million, two hundred thousand, two hundred seventeen".