22213213211 has 4 divisors (see below), whose sum is σ = 25386529392. Its totient is φ = 19039897032.

The previous prime is 22213213157. The next prime is 22213213241. The reversal of 22213213211 is 11231231222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22213213211 - 2¹⁸ = 22212951067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22213213241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1586658080 + ... + 1586658093.

It is an arithmetic number, because the mean of its divisors is an integer number (6346632348).

Almost surely, 2^22213213211 is an apocalyptic number.

22213213211 is a deficient number, since it is larger than the sum of its proper divisors (3173316181).

22213213211 is an equidigital number, since it uses as much as digits as its factorization.

22213213211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173316180.

The product of its digits is 288, while the sum is 20.

Adding to 22213213211 its reverse (11231231222), we get a palindrome (33444444433).

The spelling of 22213213211 in words is "twenty-two billion, two hundred thirteen million, two hundred thirteen thousand, two hundred eleven".