222443142209 has 2 divisors, whose sum is σ = 222443142210. Its totient is φ = 222443142208.

The previous prime is 222443142193. The next prime is 222443142221. The reversal of 222443142209 is 902241344222.

222443142209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 165177216400 + 57265925809 = 406420^2 + 239303^2 .

It is a cyclic number.

It is not a de Polignac number, because 222443142209 - 2⁴ = 222443142193 is a prime.

It is not a weakly prime, because it can be changed into another prime (222443142269) 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, 111221571104 + 111221571105.

It is an arithmetic number, because the mean of its divisors is an integer number (111221571105).

Almost surely, 2^222443142209 is an apocalyptic number.

It is an amenable number.

222443142209 is a deficient number, since it is larger than the sum of its proper divisors (1).

222443142209 is an equidigital number, since it uses as much as digits as its factorization.

222443142209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 222443142209 in words is "two hundred twenty-two billion, four hundred forty-three million, one hundred forty-two thousand, two hundred nine".