22422317 has 2 divisors, whose sum is σ = 22422318. Its totient is φ = 22422316.

The previous prime is 22422311. The next prime is 22422329. The reversal of 22422317 is 71322422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11703241 + 10719076 = 3421^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 22422317 - 2¹⁶ = 22356781 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22422292 and 22422301.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22422311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11211158 + 11211159.

It is an arithmetic number, because the mean of its divisors is an integer number (11211159).

Almost surely, 2^22422317 is an apocalyptic number.

It is an amenable number.

22422317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22422317 is an equidigital number, since it uses as much as digits as its factorization.

22422317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 23.

The square root of 22422317 is about 4735.2209029780. The cubic root of 22422317 is about 281.9855340231.

Adding to 22422317 its reverse (71322422), we get a palindrome (93744739).

The spelling of 22422317 in words is "twenty-two million, four hundred twenty-two thousand, three hundred seventeen".