1222114217 has 2 divisors, whose sum is σ = 1222114218. Its totient is φ = 1222114216.

The previous prime is 1222114211. The next prime is 1222114247. The reversal of 1222114217 is 7124112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1220524096 + 1590121 = 34936^2 + 1261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222114217 - 2²⁰ = 1221065641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222114192 and 1222114201.

It is not a weakly prime, because it can be changed into another prime (1222114211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611057108 + 611057109.

It is an arithmetic number, because the mean of its divisors is an integer number (611057109).

Almost surely, 2^1222114217 is an apocalyptic number.

It is an amenable number.

1222114217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222114217 is an equidigital number, since it uses as much as digits as its factorization.

1222114217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 23.

The square root of 1222114217 is about 34958.7502207959. The cubic root of 1222114217 is about 1069.1466153929.

Adding to 1222114217 its reverse (7124112221), we get a palindrome (8346226438).

The spelling of 1222114217 in words is "one billion, two hundred twenty-two million, one hundred fourteen thousand, two hundred seventeen".