22023012223 has 4 divisors (see below), whose sum is σ = 22041820408. Its totient is φ = 22004204040.

The previous prime is 22023012203. The next prime is 22023012247. The reversal of 22023012223 is 32221032022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32221032022 = 2 ⋅16110516011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22023012223 is a prime.

It is a super-3 number, since 3×22023012223³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22023012223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023012203) 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, 9402336 + ... + 9404677.

It is an arithmetic number, because the mean of its divisors is an integer number (5510455102).

Almost surely, 2^22023012223 is an apocalyptic number.

22023012223 is a deficient number, since it is larger than the sum of its proper divisors (18808185).

22023012223 is a wasteful number, since it uses less digits than its factorization.

22023012223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18808184.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 22023012223 its reverse (32221032022), we get a palindrome (54244044245).

The spelling of 22023012223 in words is "twenty-two billion, twenty-three million, twelve thousand, two hundred twenty-three".