12424432222 has 4 divisors (see below), whose sum is σ = 18636648336. Its totient is φ = 6212216110.

The previous prime is 12424432217. The next prime is 12424432231. The reversal of 12424432222 is 22223442421.

It is a happy number.

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

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, 3106108054 + ... + 3106108057.

It is an arithmetic number, because the mean of its divisors is an integer number (4659162084).

Almost surely, 2^12424432222 is an apocalyptic number.

12424432222 is a deficient number, since it is larger than the sum of its proper divisors (6212216114).

12424432222 is an equidigital number, since it uses as much as digits as its factorization.

12424432222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212216113.

The product of its digits is 12288, while the sum is 28.

Adding to 12424432222 its reverse (22223442421), we get a palindrome (34647874643).

The spelling of 12424432222 in words is "twelve billion, four hundred twenty-four million, four hundred thirty-two thousand, two hundred twenty-two".