13302003221 has 4 divisors (see below), whose sum is σ = 14325234252. Its totient is φ = 12278772192.

The previous prime is 13302003203. The next prime is 13302003263. The reversal of 13302003221 is 12230020331.

13302003221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3081804196 + 10220199025 = 55514^2 + 101095^2 .

It is a cyclic number.

It is not a de Polignac number, because 13302003221 - 2¹⁸ = 13301741077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13302003221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13302003271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 511615496 + ... + 511615521.

It is an arithmetic number, because the mean of its divisors is an integer number (3581308563).

Almost surely, 2^13302003221 is an apocalyptic number.

It is an amenable number.

13302003221 is a deficient number, since it is larger than the sum of its proper divisors (1023231031).

13302003221 is a wasteful number, since it uses less digits than its factorization.

13302003221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023231030.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13302003221 its reverse (12230020331), we get a palindrome (25532023552).

The spelling of 13302003221 in words is "thirteen billion, three hundred two million, three thousand, two hundred twenty-one".