22222040317 has 2 divisors, whose sum is σ = 22222040318. Its totient is φ = 22222040316.

The previous prime is 22222040207. The next prime is 22222040329. The reversal of 22222040317 is 71304022222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15115718916 + 7106321401 = 122946^2 + 84299^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22222040317 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22222040291 and 22222040300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22222040017) 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, 11111020158 + 11111020159.

It is an arithmetic number, because the mean of its divisors is an integer number (11111020159).

Almost surely, 2^22222040317 is an apocalyptic number.

It is an amenable number.

22222040317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22222040317 is an equidigital number, since it uses as much as digits as its factorization.

22222040317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

Adding to 22222040317 its reverse (71304022222), we get a palindrome (93526062539).

The spelling of 22222040317 in words is "twenty-two billion, two hundred twenty-two million, forty thousand, three hundred seventeen".