2223122211 has 24 divisors (see below), whose sum is σ = 3250535184. Its totient is φ = 1463985600.

The previous prime is 2223122197. The next prime is 2223122221. The reversal of 2223122211 is 1122213222.

It is not a de Polignac number, because 2223122211 - 2⁵ = 2223122179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2223122221) 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 23 ways as a sum of consecutive naturals, for example, 421885 + ... + 427121.

It is an arithmetic number, because the mean of its divisors is an integer number (135438966).

Almost surely, 2^2223122211 is an apocalyptic number.

2223122211 is a deficient number, since it is larger than the sum of its proper divisors (1027412973).

2223122211 is a wasteful number, since it uses less digits than its factorization.

2223122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5811 (or 5808 counting only the distinct ones).

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

The square root of 2223122211 is about 47149.9969353127. The cubic root of 2223122211 is about 1305.1320234599.

Adding to 2223122211 its reverse (1122213222), we get a palindrome (3345335433).

The spelling of 2223122211 in words is "two billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred eleven".