17220492007 has 2 divisors, whose sum is σ = 17220492008. Its totient is φ = 17220492006.

The previous prime is 17220491993. The next prime is 17220492017. The reversal of 17220492007 is 70029402271.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 17220492007 - 2¹⁵ = 17220459239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (17220492017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8610246003 + 8610246004.

It is an arithmetic number, because the mean of its divisors is an integer number (8610246004).

Almost surely, 2^17220492007 is an apocalyptic number.

17220492007 is a deficient number, since it is larger than the sum of its proper divisors (1).

17220492007 is an equidigital number, since it uses as much as digits as its factorization.

17220492007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 34.

Adding to 17220492007 its reverse (70029402271), we get a palindrome (87249894278).

The spelling of 17220492007 in words is "seventeen billion, two hundred twenty million, four hundred ninety-two thousand, seven".