222111202209 has 16 divisors (see below), whose sum is σ = 318955137984. Its totient is φ = 136672574400.

The previous prime is 222111202207. The next prime is 222111202231. The reversal of 222111202209 is 902202111222.

It is not a de Polignac number, because 222111202209 - 2¹ = 222111202207 is a prime.

It is a super-2 number, since 2×222111202209² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (222111202207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 259179 + ... + 715119.

It is an arithmetic number, because the mean of its divisors is an integer number (19934696124).

Almost surely, 2^222111202209 is an apocalyptic number.

It is an amenable number.

222111202209 is a deficient number, since it is larger than the sum of its proper divisors (96843935775).

222111202209 is a wasteful number, since it uses less digits than its factorization.

222111202209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468448.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 222111202209 in words is "two hundred twenty-two billion, one hundred eleven million, two hundred two thousand, two hundred nine".