13221332410 has 96 divisors (see below), whose sum is σ = 28233208080. Its totient is φ = 4428103680.

The previous prime is 13221332401. The next prime is 13221332413. The reversal of 13221332410 is 1423312231.

It can be written as a sum of positive squares in 8 ways, for example, as 6757333209 + 6463999201 = 82203^2 + 80399^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (13221332413) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12095824 + ... + 12096916.

Almost surely, 2^13221332410 is an apocalyptic number.

13221332410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13221332410 is an abundant number, since it is smaller than the sum of its proper divisors (15011875670).

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

13221332410 is a wasteful number, since it uses less digits than its factorization.

13221332410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 13221332410 its reverse (1423312231), we get a palindrome (14644644641).

The spelling of 13221332410 in words is "thirteen billion, two hundred twenty-one million, three hundred thirty-two thousand, four hundred ten".