221422884469417 has 2 divisors, whose sum is σ = 221422884469418. Its totient is φ = 221422884469416.

The previous prime is 221422884469387. The next prime is 221422884469429. The reversal of 221422884469417 is 714964488224122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198137829908736 + 23285054560681 = 14076144^2 + 4825459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221422884469417 is a prime.

It is not a weakly prime, because it can be changed into another prime (221422884469217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110711442234708 + 110711442234709.

It is an arithmetic number, because the mean of its divisors is an integer number (110711442234709).

Almost surely, 2^{221422884469417} is an apocalyptic number.

It is an amenable number.

221422884469417 is a deficient number, since it is larger than the sum of its proper divisors (1).

221422884469417 is an equidigital number, since it uses as much as digits as its factorization.

221422884469417 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 99090432, while the sum is 64.

The spelling of 221422884469417 in words is "two hundred twenty-one trillion, four hundred twenty-two billion, eight hundred eighty-four million, four hundred sixty-nine thousand, four hundred seventeen".