17220492017 has 2 divisors, whose sum is σ = 17220492018. Its totient is φ = 17220492016.

The previous prime is 17220492007. The next prime is 17220492043. The reversal of 17220492017 is 71029402271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11738422336 + 5482069681 = 108344^2 + 74041^2 .

It is a cyclic number.

It is not a de Polignac number, because 17220492017 - 2¹⁰ = 17220490993 is a prime.

It is not a weakly prime, because it can be changed into another prime (17220492007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8610246008 + 8610246009.

It is an arithmetic number, because the mean of its divisors is an integer number (8610246009).

Almost surely, 2^17220492017 is an apocalyptic number.

It is an amenable number.

17220492017 is a deficient number, since it is larger than the sum of its proper divisors (1).

17220492017 is an equidigital number, since it uses as much as digits as its factorization.

17220492017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112, while the sum is 35.

Adding to 17220492017 its reverse (71029402271), we get a palindrome (88249894288).

The spelling of 17220492017 in words is "seventeen billion, two hundred twenty million, four hundred ninety-two thousand, seventeen".