2223221211 has 12 divisors (see below), whose sum is σ = 3211728520. Its totient is φ = 1481958720.

The previous prime is 2223221207. The next prime is 2223221219. The reversal of 2223221211 is 1121223222.

2223221211 is a `hidden beast` number, since 222 + 322 + 121 + 1 = 666.

It is not a de Polignac number, because 2223221211 - 2² = 2223221207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2223221219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127635 + ... + 144003.

Almost surely, 2^2223221211 is an apocalyptic number.

2223221211 is a deficient number, since it is larger than the sum of its proper divisors (988507309).

2223221211 is a wasteful number, since it uses less digits than its factorization.

2223221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31466 (or 31463 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 2223221211 is about 47151.0467646266. The cubic root of 2223221211 is about 1305.1513965368.

Adding to 2223221211 its reverse (1121223222), we get a palindrome (3344444433).

The spelling of 2223221211 in words is "two billion, two hundred twenty-three million, two hundred twenty-one thousand, two hundred eleven".