11122217 has 2 divisors, whose sum is σ = 11122218. Its totient is φ = 11122216.

The previous prime is 11122187. The next prime is 11122219. The reversal of 11122217 is 71222111.

11122217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10784656 + 337561 = 3284^2 + 581^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122217 - 2¹⁴ = 11105833 is a prime.

Together with 11122219, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11122195 and 11122204.

It is not a weakly prime, because it can be changed into another prime (11122219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561108 + 5561109.

It is an arithmetic number, because the mean of its divisors is an integer number (5561109).

Almost surely, 2^11122217 is an apocalyptic number.

It is an amenable number.

11122217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122217 is an equidigital number, since it uses as much as digits as its factorization.

11122217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56, while the sum is 17.

The square root of 11122217 is about 3334.9988005995. The cubic root of 11122217 is about 223.2186384169.

Adding to 11122217 its reverse (71222111), we get a palindrome (82344328).

The spelling of 11122217 in words is "eleven million, one hundred twenty-two thousand, two hundred seventeen".