12226117 has 2 divisors, whose sum is σ = 12226118. Its totient is φ = 12226116.

The previous prime is 12226091. The next prime is 12226127. The reversal of 12226117 is 71162221.

It is a happy number.

12226117 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., 9400356 + 2825761 = 3066^2 + 1681^2 .

It is a cyclic number.

It is not a de Polignac number, because 12226117 - 2⁷ = 12225989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12226127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113058 + 6113059.

It is an arithmetic number, because the mean of its divisors is an integer number (6113059).

Almost surely, 2^12226117 is an apocalyptic number.

It is an amenable number.

12226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12226117 is an equidigital number, since it uses as much as digits as its factorization.

12226117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336, while the sum is 22.

The square root of 12226117 is about 3496.5864782671. The cubic root of 12226117 is about 230.3719061862.

Adding to 12226117 its reverse (71162221), we get a palindrome (83388338).

The spelling of 12226117 in words is "twelve million, two hundred twenty-six thousand, one hundred seventeen".