100002222217 has 2 divisors, whose sum is σ = 100002222218. Its totient is φ = 100002222216.

The previous prime is 100002222179. The next prime is 100002222241. The reversal of 100002222217 is 712222200001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69409063936 + 30593158281 = 263456^2 + 174909^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100002222217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 100002222194 and 100002222203.

It is not a weakly prime, because it can be changed into another prime (100002202217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50001111108 + 50001111109.

It is an arithmetic number, because the mean of its divisors is an integer number (50001111109).

Almost surely, 2^100002222217 is an apocalyptic number.

It is an amenable number.

100002222217 is a deficient number, since it is larger than the sum of its proper divisors (1).

100002222217 is an equidigital number, since it uses as much as digits as its factorization.

100002222217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

Adding to 100002222217 its reverse (712222200001), we get a palindrome (812224422218).

The spelling of 100002222217 in words is "one hundred billion, two million, two hundred twenty-two thousand, two hundred seventeen".