12221003022 has 32 divisors (see below), whose sum is σ = 24557385600. Its totient is φ = 4054469088.

The previous prime is 12221002991. The next prime is 12221003033. The reversal of 12221003022 is 22030012221.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12221002992 and 12221003010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1912629 + ... + 1919007.

It is an arithmetic number, because the mean of its divisors is an integer number (767418300).

Almost surely, 2^12221003022 is an apocalyptic number.

12221003022 is an abundant number, since it is smaller than the sum of its proper divisors (12336382578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221003022 is a wasteful number, since it uses less digits than its factorization.

12221003022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12221003022 its reverse (22030012221), we get a palindrome (34251015243).

The spelling of 12221003022 in words is "twelve billion, two hundred twenty-one million, three thousand, twenty-two".