2212210209 has 24 divisors (see below), whose sum is σ = 3245136160. Its totient is φ = 1339493760.

The previous prime is 2212210199. The next prime is 2212210211. The reversal of 2212210209 is 9020122122.

It is a happy number.

It is not a de Polignac number, because 2212210209 - 2¹¹ = 2212208161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212217209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 527529 + ... + 531705.

Almost surely, 2^2212210209 is an apocalyptic number.

It is an amenable number.

2212210209 is a deficient number, since it is larger than the sum of its proper divisors (1032925951).

2212210209 is a wasteful number, since it uses less digits than its factorization.

2212210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661 (or 5650 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2212210209 is about 47034.1387611169. The cubic root of 2212210209 is about 1302.9931444617.

The spelling of 2212210209 in words is "two billion, two hundred twelve million, two hundred ten thousand, two hundred nine".