13322122221 has 8 divisors (see below), whose sum is σ = 17855829504. Its totient is φ = 8834914880.

The previous prime is 13322122217. The next prime is 13322122237. The reversal of 13322122221 is 12222122331.

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 13322122221 - 2² = 13322122217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13322121221) 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, 11624316 + ... + 11625461.

It is an arithmetic number, because the mean of its divisors is an integer number (2231978688).

Almost surely, 2^13322122221 is an apocalyptic number.

It is an amenable number.

13322122221 is a deficient number, since it is larger than the sum of its proper divisors (4533707283).

13322122221 is a wasteful number, since it uses less digits than its factorization.

13322122221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23249971.

The product of its digits is 576, while the sum is 21.

Adding to 13322122221 its reverse (12222122331), we get a palindrome (25544244552).

The spelling of 13322122221 in words is "thirteen billion, three hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-one".