222011022209 has 2 divisors, whose sum is σ = 222011022210. Its totient is φ = 222011022208.

The previous prime is 222011022127. The next prime is 222011022223. The reversal of 222011022209 is 902220110222.

222011022209 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., 219424791184 + 2586231025 = 468428^2 + 50855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222011022209 is a prime.

It is not a weakly prime, because it can be changed into another prime (222019022209) 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, 111005511104 + 111005511105.

It is an arithmetic number, because the mean of its divisors is an integer number (111005511105).

Almost surely, 2^222011022209 is an apocalyptic number.

It is an amenable number.

222011022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

222011022209 is an equidigital number, since it uses as much as digits as its factorization.

222011022209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

The spelling of 222011022209 in words is "two hundred twenty-two billion, eleven million, twenty-two thousand, two hundred nine".