22412317 has 2 divisors, whose sum is σ = 22412318. Its totient is φ = 22412316.

The previous prime is 22412311. The next prime is 22412329. The reversal of 22412317 is 71321422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20921476 + 1490841 = 4574^2 + 1221^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22412317 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22412311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206158 + 11206159.

It is an arithmetic number, because the mean of its divisors is an integer number (11206159).

Almost surely, 2^22412317 is an apocalyptic number.

It is an amenable number.

22412317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412317 is an equidigital number, since it uses as much as digits as its factorization.

22412317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 22.

The square root of 22412317 is about 4734.1648682740. The cubic root of 22412317 is about 281.9436074216.

Adding to 22412317 its reverse (71321422), we get a palindrome (93733739).

The spelling of 22412317 in words is "twenty-two million, four hundred twelve thousand, three hundred seventeen".