222211010209 has 2 divisors, whose sum is σ = 222211010210. Its totient is φ = 222211010208.

The previous prime is 222211010207. The next prime is 222211010227. The reversal of 222211010209 is 902010112222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113099707809 + 109111302400 = 336303^2 + 330320^2 .

It is a cyclic number.

It is not a de Polignac number, because 222211010209 - 2¹ = 222211010207 is a prime.

Together with 222211010207, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 222211010209.

It is not a weakly prime, because it can be changed into another prime (222211010207) 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, 111105505104 + 111105505105.

It is an arithmetic number, because the mean of its divisors is an integer number (111105505105).

Almost surely, 2^222211010209 is an apocalyptic number.

It is an amenable number.

222211010209 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211010209 is an equidigital number, since it uses as much as digits as its factorization.

222211010209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 222211010209 in words is "two hundred twenty-two billion, two hundred eleven million, ten thousand, two hundred nine".