222211100209 has 16 divisors (see below), whose sum is σ = 265249428480. Its totient is φ = 182012014800.

The previous prime is 222211100113. The next prime is 222211100231. The reversal of 222211100209 is 902001112222.

222211100209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222211100209 - 2⁷ = 222211100081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222211100209.

It is not an unprimeable number, because it can be changed into a prime (222211100249) 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 in 15 ways as a sum of consecutive naturals, for example, 487399 + ... + 825820.

It is an arithmetic number, because the mean of its divisors is an integer number (16578089280).

Almost surely, 2^222211100209 is an apocalyptic number.

It is an amenable number.

222211100209 is a deficient number, since it is larger than the sum of its proper divisors (43038328271).

222211100209 is a wasteful number, since it uses less digits than its factorization.

222211100209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314300.

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

The spelling of 222211100209 in words is "two hundred twenty-two billion, two hundred eleven million, one hundred thousand, two hundred nine".