11222917 has 2 divisors, whose sum is σ = 11222918. Its totient is φ = 11222916.

The previous prime is 11222867. The next prime is 11223001. The reversal of 11222917 is 71922211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8579041 + 2643876 = 2929^2 + 1626^2 .

It is a cyclic number.

It is not a de Polignac number, because 11222917 - 2⁷ = 11222789 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11222891 and 11222900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611458 + 5611459.

It is an arithmetic number, because the mean of its divisors is an integer number (5611459).

Almost surely, 2^11222917 is an apocalyptic number.

It is an amenable number.

11222917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222917 is an equidigital number, since it uses as much as digits as its factorization.

11222917 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504, while the sum is 25.

The square root of 11222917 is about 3350.0622382278. The cubic root of 11222917 is about 223.8902856099.

The spelling of 11222917 in words is "eleven million, two hundred twenty-two thousand, nine hundred seventeen".