22022322223 has 18 divisors (see below), whose sum is σ = 25714057208. Its totient is φ = 18842598720.

The previous prime is 22022322211. The next prime is 22022322227. The reversal of 22022322223 is 32222322022.

It is a de Polignac number, because none of the positive numbers 2^k-22022322223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022322194 and 22022322203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022322227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 279915 + ... + 349852.

Almost surely, 2^22022322223 is an apocalyptic number.

22022322223 is a deficient number, since it is larger than the sum of its proper divisors (3691734985).

22022322223 is a wasteful number, since it uses less digits than its factorization.

22022322223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629823 (or 629795 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22022322223 its reverse (32222322022), we get a palindrome (54244644245).

The spelling of 22022322223 in words is "twenty-two billion, twenty-two million, three hundred twenty-two thousand, two hundred twenty-three".