12223022222 has 16 divisors (see below), whose sum is σ = 18526532544. Its totient is φ = 6047580000.

The previous prime is 12223022191. The next prime is 12223022243. The reversal of 12223022222 is 22222032221.

It is a junction number, because it is equal to n+sod(n) for n = 12223022194 and 12223022203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361772 + ... + 394112.

It is an arithmetic number, because the mean of its divisors is an integer number (1157908284).

Almost surely, 2^12223022222 is an apocalyptic number.

12223022222 is a deficient number, since it is larger than the sum of its proper divisors (6303510322).

12223022222 is a wasteful number, since it uses less digits than its factorization.

12223022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34315.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 12223022222 its reverse (22222032221), we get a palindrome (34445054443).

Subtracting 12223022222 from its reverse (22222032221), we obtain a palindrome (9999009999).

The spelling of 12223022222 in words is "twelve billion, two hundred twenty-three million, twenty-two thousand, two hundred twenty-two".