12224243223 has 10 divisors (see below), whose sum is σ = 18260906664. Its totient is φ = 8149495428.

The previous prime is 12224243221. The next prime is 12224243243. The reversal of 12224243223 is 32234242221.

12224243223 is a `hidden beast` number, since 1 + 2 + 224 + 2 + 432 + 2 + 3 = 666.

It is not a de Polignac number, because 12224243223 - 2¹ = 12224243221 is a prime.

It is a super-2 number, since 2×12224243223² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12224243221) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 75458211 + ... + 75458372.

Almost surely, 2^12224243223 is an apocalyptic number.

12224243223 is a deficient number, since it is larger than the sum of its proper divisors (6036663441).

12224243223 is an equidigital number, since it uses as much as digits as its factorization.

12224243223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150916595 (or 150916586 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

Adding to 12224243223 its reverse (32234242221), we get a palindrome (44458485444).

The spelling of 12224243223 in words is "twelve billion, two hundred twenty-four million, two hundred forty-three thousand, two hundred twenty-three".