2222211211 has 8 divisors (see below), whose sum is σ = 2432130624. Its totient is φ = 2013608520.

The previous prime is 2222211163. The next prime is 2222211221. The reversal of 2222211211 is 1121122222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2222211211 - 2¹⁹ = 2221686923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325645 + ... + 332398.

It is an arithmetic number, because the mean of its divisors is an integer number (304016328).

Almost surely, 2^2222211211 is an apocalyptic number.

2222211211 is a deficient number, since it is larger than the sum of its proper divisors (209919413).

2222211211 is a wasteful number, since it uses less digits than its factorization.

2222211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658361.

The product of its digits is 64, while the sum is 16.

The square root of 2222211211 is about 47140.3352873100. The cubic root of 2222211211 is about 1304.9537250122.

Adding to 2222211211 its reverse (1121122222), we get a palindrome (3343333433).

It can be divided in two parts, 22222 and 11211, that added together give a palindrome (33433).

The spelling of 2222211211 in words is "two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred eleven".