22226117 has 2 divisors, whose sum is σ = 22226118. Its totient is φ = 22226116.

The previous prime is 22226077. The next prime is 22226129. The reversal of 22226117 is 71162222.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20666116 + 1560001 = 4546^2 + 1249^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22226117 is a prime.

It is a Chen prime.

It is equal to p_1402529 and since 22226117 and 1402529 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 22226092 and 22226101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22226137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11113058 + 11113059.

It is an arithmetic number, because the mean of its divisors is an integer number (11113059).

Almost surely, 2^22226117 is an apocalyptic number.

It is an amenable number.

22226117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22226117 is an equidigital number, since it uses as much as digits as its factorization.

22226117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 22226117 is about 4714.4582933779. The cubic root of 22226117 is about 281.1606457218.

Adding to 22226117 its reverse (71162222), we get a palindrome (93388339).

The spelling of 22226117 in words is "twenty-two million, two hundred twenty-six thousand, one hundred seventeen".