13221030222 has 64 divisors (see below), whose sum is σ = 29942899200. Its totient is φ = 4322911680.

The previous prime is 13221030187. The next prime is 13221030233. The reversal of 13221030222 is 22203012231.

13221030222 is a `hidden beast` number, since 132 + 210 + 302 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13221030195 and 13221030204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1547322 + ... + 1555842.

It is an arithmetic number, because the mean of its divisors is an integer number (467857800).

Almost surely, 2^13221030222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13221030222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14971449600).

13221030222 is an abundant number, since it is smaller than the sum of its proper divisors (16721868978).

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

13221030222 is a wasteful number, since it uses less digits than its factorization.

13221030222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078 (or 9072 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13221030222 its reverse (22203012231), we get a palindrome (35424042453).

The spelling of 13221030222 in words is "thirteen billion, two hundred twenty-one million, thirty thousand, two hundred twenty-two".