12222422422 has 8 divisors (see below), whose sum is σ = 20952724176. Its totient is φ = 5238181032.

The previous prime is 12222422413. The next prime is 12222422423. The reversal of 12222422422 is 22422422221.

12222422422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222422423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 436515073 + ... + 436515100.

It is an arithmetic number, because the mean of its divisors is an integer number (2619090522).

Almost surely, 2^12222422422 is an apocalyptic number.

12222422422 is a deficient number, since it is larger than the sum of its proper divisors (8730301754).

12222422422 is an equidigital number, since it uses as much as digits as its factorization.

12222422422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873030182.

The product of its digits is 4096, while the sum is 25.

Adding to 12222422422 its reverse (22422422221), we get a palindrome (34644844643).

The spelling of 12222422422 in words is "twelve billion, two hundred twenty-two million, four hundred twenty-two thousand, four hundred twenty-two".