13224233221 has 8 divisors (see below), whose sum is σ = 13280607680. Its totient is φ = 13167979488.

The previous prime is 13224233171. The next prime is 13224233227. The reversal of 13224233221 is 12233242231.

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

It is a cyclic number.

It is not a de Polignac number, because 13224233221 - 2⁷ = 13224233093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13224233227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192850 + ... + 252268.

It is an arithmetic number, because the mean of its divisors is an integer number (1660075960).

Almost surely, 2^13224233221 is an apocalyptic number.

It is an amenable number.

13224233221 is a deficient number, since it is larger than the sum of its proper divisors (56374459).

13224233221 is an equidigital number, since it uses as much as digits as its factorization.

13224233221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60363.

The product of its digits is 3456, while the sum is 25.

Adding to 13224233221 its reverse (12233242231), we get a palindrome (25457475452).

The spelling of 13224233221 in words is "thirteen billion, two hundred twenty-four million, two hundred thirty-three thousand, two hundred twenty-one".