13003221224 has 64 divisors (see below), whose sum is σ = 28180690560. Its totient is φ = 5509693440.

The previous prime is 13003221211. The next prime is 13003221233. The reversal of 13003221224 is 42212230031.

It is a junction number, because it is equal to n+sod(n) for n = 13003221196 and 13003221205.

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, 3455504 + ... + 3459264.

It is an arithmetic number, because the mean of its divisors is an integer number (440323290).

Almost surely, 2^13003221224 is an apocalyptic number.

13003221224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13003221224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14090345280).

13003221224 is an abundant number, since it is smaller than the sum of its proper divisors (15177469336).

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

13003221224 is a wasteful number, since it uses less digits than its factorization.

13003221224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4458 (or 4454 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 13003221224 its reverse (42212230031), we get a palindrome (55215451255).

The spelling of 13003221224 in words is "thirteen billion, three million, two hundred twenty-one thousand, two hundred twenty-four".