13232202221 has 8 divisors (see below), whose sum is σ = 15151546944. Its totient is φ = 11320115040.

The previous prime is 13232202173. The next prime is 13232202227. The reversal of 13232202221 is 12220223231.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13232202221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13232202193 and 13232202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232202227) 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, 1810475 + ... + 1817768.

It is an arithmetic number, because the mean of its divisors is an integer number (1893943368).

Almost surely, 2^13232202221 is an apocalyptic number.

It is an amenable number.

13232202221 is a deficient number, since it is larger than the sum of its proper divisors (1919344723).

13232202221 is an equidigital number, since it uses as much as digits as its factorization.

13232202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3628771.

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

Adding to 13232202221 its reverse (12220223231), we get a palindrome (25452425452).

The spelling of 13232202221 in words is "thirteen billion, two hundred thirty-two million, two hundred two thousand, two hundred twenty-one".