23222213211 has 4 divisors (see below), whose sum is σ = 30962950952. Its totient is φ = 15481475472.

The previous prime is 23222213191. The next prime is 23222213249. The reversal of 23222213211 is 11231222232.

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

It is not a de Polignac number, because 23222213211 - 2¹⁷ = 23222082139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23222213291) 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, 3870368866 + ... + 3870368871.

It is an arithmetic number, because the mean of its divisors is an integer number (7740737738).

Almost surely, 2^23222213211 is an apocalyptic number.

23222213211 is a deficient number, since it is larger than the sum of its proper divisors (7740737741).

23222213211 is an equidigital number, since it uses as much as digits as its factorization.

23222213211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7740737740.

The product of its digits is 576, while the sum is 21.

Adding to 23222213211 its reverse (11231222232), we get a palindrome (34453435443).

The spelling of 23222213211 in words is "twenty-three billion, two hundred twenty-two million, two hundred thirteen thousand, two hundred eleven".