2213707890217 has 2 divisors, whose sum is σ = 2213707890218. Its totient is φ = 2213707890216.

The previous prime is 2213707890181. The next prime is 2213707890259. The reversal of 2213707890217 is 7120987073122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1902534696976 + 311173193241 = 1379324^2 + 557829^2 .

It is a cyclic number.

It is not a de Polignac number, because 2213707890217 - 2⁷ = 2213707890089 is a prime.

It is not a weakly prime, because it can be changed into another prime (2213707890617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106853945108 + 1106853945109.

It is an arithmetic number, because the mean of its divisors is an integer number (1106853945109).

Almost surely, 2^{2213707890217} is an apocalyptic number.

It is an amenable number.

2213707890217 is a deficient number, since it is larger than the sum of its proper divisors (1).

2213707890217 is an equidigital number, since it uses as much as digits as its factorization.

2213707890217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 592704, while the sum is 49.

The spelling of 2213707890217 in words is "two trillion, two hundred thirteen billion, seven hundred seven million, eight hundred ninety thousand, two hundred seventeen".