1422350142217 has 2 divisors, whose sum is σ = 1422350142218. Its totient is φ = 1422350142216.

The previous prime is 1422350142173. The next prime is 1422350142223. The reversal of 1422350142217 is 7122410532241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1411655273161 + 10694869056 = 1188131^2 + 103416^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1422350142217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422350142277) 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, 711175071108 + 711175071109.

It is an arithmetic number, because the mean of its divisors is an integer number (711175071109).

Almost surely, 2^{1422350142217} is an apocalyptic number.

It is an amenable number.

1422350142217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422350142217 is an equidigital number, since it uses as much as digits as its factorization.

1422350142217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 34.

Adding to 1422350142217 its reverse (7122410532241), we get a palindrome (8544760674458).

The spelling of 1422350142217 in words is "one trillion, four hundred twenty-two billion, three hundred fifty million, one hundred forty-two thousand, two hundred seventeen".