1222303020217 has 2 divisors, whose sum is σ = 1222303020218. Its totient is φ = 1222303020216.

The previous prime is 1222303020187. The next prime is 1222303020229. The reversal of 1222303020217 is 7120203032221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1127623114816 + 94679905401 = 1061896^2 + 307701^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222303020217 - 2⁷ = 1222303020089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222303020191 and 1222303020200.

It is not a weakly prime, because it can be changed into another prime (1222303020277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611151510108 + 611151510109.

It is an arithmetic number, because the mean of its divisors is an integer number (611151510109).

Almost surely, 2^{1222303020217} is an apocalyptic number.

It is an amenable number.

1222303020217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222303020217 is an equidigital number, since it uses as much as digits as its factorization.

1222303020217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 25.

Adding to 1222303020217 its reverse (7120203032221), we get a palindrome (8342506052438).

The spelling of 1222303020217 in words is "one trillion, two hundred twenty-two billion, three hundred three million, twenty thousand, two hundred seventeen".