12221330422 has 8 divisors (see below), whose sum is σ = 20950852176. Its totient is φ = 5237713032.

The previous prime is 12221330417. The next prime is 12221330437. The reversal of 12221330422 is 22403312221.

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

It is a junction number, because it is equal to n+sod(n) for n = 12221330393 and 12221330402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436476073 + ... + 436476100.

It is an arithmetic number, because the mean of its divisors is an integer number (2618856522).

Almost surely, 2^12221330422 is an apocalyptic number.

12221330422 is a deficient number, since it is larger than the sum of its proper divisors (8729521754).

12221330422 is an equidigital number, since it uses as much as digits as its factorization.

12221330422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872952182.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12221330422 its reverse (22403312221), we get a palindrome (34624642643).

The spelling of 12221330422 in words is "twelve billion, two hundred twenty-one million, three hundred thirty thousand, four hundred twenty-two".