12224320222 has 4 divisors (see below), whose sum is σ = 18336480336. Its totient is φ = 6112160110.

The previous prime is 12224320183. The next prime is 12224320253. The reversal of 12224320222 is 22202342221.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12224320193 and 12224320202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3056080054 + ... + 3056080057.

It is an arithmetic number, because the mean of its divisors is an integer number (4584120084).

Almost surely, 2^12224320222 is an apocalyptic number.

12224320222 is a deficient number, since it is larger than the sum of its proper divisors (6112160114).

12224320222 is an equidigital number, since it uses as much as digits as its factorization.

12224320222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6112160113.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12224320222 its reverse (22202342221), we get a palindrome (34426662443).

The spelling of 12224320222 in words is "twelve billion, two hundred twenty-four million, three hundred twenty thousand, two hundred twenty-two".