13322233221 has 32 divisors (see below), whose sum is σ = 19593332736. Its totient is φ = 8051194800.

The previous prime is 13322233187. The next prime is 13322233231. The reversal of 13322233221 is 12233222331.

It is not a de Polignac number, because 13322233221 - 2⁹ = 13322232709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13322233191 and 13322233200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322233231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1460886 + ... + 1469976.

It is an arithmetic number, because the mean of its divisors is an integer number (612291648).

Almost surely, 2^13322233221 is an apocalyptic number.

13322233221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13322233221 is a deficient number, since it is larger than the sum of its proper divisors (6271099515).

13322233221 is an equidigital number, since it uses as much as digits as its factorization.

13322233221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9494 (or 9472 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

Adding to 13322233221 its reverse (12233222331), we get a palindrome (25555455552).

The spelling of 13322233221 in words is "thirteen billion, three hundred twenty-two million, two hundred thirty-three thousand, two hundred twenty-one".