13221322210 has 8 divisors (see below), whose sum is σ = 23798379996. Its totient is φ = 5288528880.

The previous prime is 13221322157. The next prime is 13221322223. The reversal of 13221322210 is 1222312231.

It can be written as a sum of positive squares in 2 ways, for example, as 13197184641 + 24137569 = 114879^2 + 4913^2 .

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

It is a super-3 number, since 3×13221322210³ (a number of 31 digits) contains 333 as substring.

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, 661066101 + ... + 661066120.

Almost surely, 2^13221322210 is an apocalyptic number.

13221322210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221322210 is a deficient number, since it is larger than the sum of its proper divisors (10577057786).

13221322210 is a wasteful number, since it uses less digits than its factorization.

13221322210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322132228.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 13221322210 its reverse (1222312231), we get a palindrome (14443634441).

The spelling of 13221322210 in words is "thirteen billion, two hundred twenty-one million, three hundred twenty-two thousand, two hundred ten".