14223202212217 has 2 divisors, whose sum is σ = 14223202212218. Its totient is φ = 14223202212216.

The previous prime is 14223202212077. The next prime is 14223202212257. The reversal of 14223202212217 is 71221220232241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9665762858361 + 4557439353856 = 3108981^2 + 2134816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14223202212217 is a prime.

It is a super-2 number, since 2×14223202212217² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14223202212257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7111601106108 + 7111601106109.

It is an arithmetic number, because the mean of its divisors is an integer number (7111601106109).

Almost surely, 2^{14223202212217} is an apocalyptic number.

It is an amenable number.

14223202212217 is a deficient number, since it is larger than the sum of its proper divisors (1).

14223202212217 is an equidigital number, since it uses as much as digits as its factorization.

14223202212217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 31.

Adding to 14223202212217 its reverse (71221220232241), we get a palindrome (85444422444458).

The spelling of 14223202212217 in words is "fourteen trillion, two hundred twenty-three billion, two hundred two million, two hundred twelve thousand, two hundred seventeen".