13321222 has 8 divisors (see below), whose sum is σ = 20016576. Its totient is φ = 6649032.

The previous prime is 13321219. The next prime is 13321229. The reversal of 13321222 is 22212331.

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

It is a junction number, because it is equal to n+sod(n) for n = 13321196 and 13321205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4273 + ... + 6700.

It is an arithmetic number, because the mean of its divisors is an integer number (2502072).

Almost surely, 2^13321222 is an apocalyptic number.

13321222 is a deficient number, since it is larger than the sum of its proper divisors (6695354).

13321222 is a wasteful number, since it uses less digits than its factorization.

13321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11582.

The product of its digits is 144, while the sum is 16.

The square root of 13321222 is about 3649.8249273082. The cubic root of 13321222 is about 237.0544006818.

Adding to 13321222 its reverse (22212331), we get a palindrome (35533553).

The spelling of 13321222 in words is "thirteen million, three hundred twenty-one thousand, two hundred twenty-two".