43222203217 has 2 divisors, whose sum is σ = 43222203218. Its totient is φ = 43222203216.

The previous prime is 43222203209. The next prime is 43222203247. The reversal of 43222203217 is 71230222234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29804224321 + 13417978896 = 172639^2 + 115836^2 .

It is a cyclic number.

It is not a de Polignac number, because 43222203217 - 2³ = 43222203209 is a prime.

It is not a weakly prime, because it can be changed into another prime (43222203247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21611101608 + 21611101609.

It is an arithmetic number, because the mean of its divisors is an integer number (21611101609).

Almost surely, 2^43222203217 is an apocalyptic number.

It is an amenable number.

43222203217 is a deficient number, since it is larger than the sum of its proper divisors (1).

43222203217 is an equidigital number, since it uses as much as digits as its factorization.

43222203217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The spelling of 43222203217 in words is "forty-three billion, two hundred twenty-two million, two hundred three thousand, two hundred seventeen".