22110221223 has 12 divisors (see below), whose sum is σ = 32460544168. Its totient is φ = 14498505360.

The previous prime is 22110221219. The next prime is 22110221261. The reversal of 22110221223 is 32212201122.

22110221223 is a `hidden beast` number, since 221 + 1 + 0 + 221 + 223 = 666.

It is not a de Polignac number, because 22110221223 - 2² = 22110221219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22110221196 and 22110221205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110221423) 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, 20136265 + ... + 20137362.

Almost surely, 2^22110221223 is an apocalyptic number.

22110221223 is a deficient number, since it is larger than the sum of its proper divisors (10350322945).

22110221223 is a wasteful number, since it uses less digits than its factorization.

22110221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40273694 (or 40273691 counting only the distinct ones).

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

Adding to 22110221223 its reverse (32212201122), we get a palindrome (54322422345).

The spelling of 22110221223 in words is "twenty-two billion, one hundred ten million, two hundred twenty-one thousand, two hundred twenty-three".