4220044642217 has 2 divisors, whose sum is σ = 4220044642218. Its totient is φ = 4220044642216.

The previous prime is 4220044642207. The next prime is 4220044642259. The reversal of 4220044642217 is 7122464400224.

4220044642217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2942446206736 + 1277598435481 = 1715356^2 + 1130309^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220044642217 - 2⁶ = 4220044642153 is a prime.

It is not a weakly prime, because it can be changed into another prime (4220044642207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110022321108 + 2110022321109.

It is an arithmetic number, because the mean of its divisors is an integer number (2110022321109).

Almost surely, 2^{4220044642217} is an apocalyptic number.

It is an amenable number.

4220044642217 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220044642217 is an equidigital number, since it uses as much as digits as its factorization.

4220044642217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 172032, while the sum is 38.

The spelling of 4220044642217 in words is "four trillion, two hundred twenty billion, forty-four million, six hundred forty-two thousand, two hundred seventeen".