12223423225 has 48 divisors (see below), whose sum is σ = 16945137664. Its totient is φ = 8685792000.

The previous prime is 12223423189. The next prime is 12223423241. The reversal of 12223423225 is 52232432221.

12223423225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-12223423225 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12223423193 and 12223423202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1820224 + ... + 1826926.

Almost surely, 2^12223423225 is an apocalyptic number.

It is an amenable number.

12223423225 is a deficient number, since it is larger than the sum of its proper divisors (4721714439).

12223423225 is a wasteful number, since it uses less digits than its factorization.

12223423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6938 (or 6933 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

Adding to 12223423225 its reverse (52232432221), we get a palindrome (64455855446).

The spelling of 12223423225 in words is "twelve billion, two hundred twenty-three million, four hundred twenty-three thousand, two hundred twenty-five".