11323222217 has 2 divisors, whose sum is σ = 11323222218. Its totient is φ = 11323222216.

The previous prime is 11323222201. The next prime is 11323222219. The reversal of 11323222217 is 71222232311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11012193721 + 311028496 = 104939^2 + 17636^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323222217 - 2⁴ = 11323222201 is a prime.

It is a super-2 number, since 2×11323222217² (a number of 21 digits) contains 22 as substring.

Together with 11323222219, 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 (11323222219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661611108 + 5661611109.

It is an arithmetic number, because the mean of its divisors is an integer number (5661611109).

Almost surely, 2^11323222217 is an apocalyptic number.

It is an amenable number.

11323222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323222217 is an equidigital number, since it uses as much as digits as its factorization.

11323222217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 26.

Adding to 11323222217 its reverse (71222232311), we get a palindrome (82545454528).

The spelling of 11323222217 in words is "eleven billion, three hundred twenty-three million, two hundred twenty-two thousand, two hundred seventeen".