13224422 has 8 divisors (see below), whose sum is σ = 19908072. Its totient is φ = 6588400.

The previous prime is 13224391. The next prime is 13224457. The reversal of 13224422 is 22442231.

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 = 13224394 and 13224403.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11204 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (2488509).

Almost surely, 2^13224422 is an apocalyptic number.

13224422 is a deficient number, since it is larger than the sum of its proper divisors (6683650).

13224422 is a wasteful number, since it uses less digits than its factorization.

13224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23814.

The product of its digits is 768, while the sum is 20.

The square root of 13224422 is about 3636.5398389128. The cubic root of 13224422 is about 236.4788110107.

Adding to 13224422 its reverse (22442231), we get a palindrome (35666653).

The spelling of 13224422 in words is "thirteen million, two hundred twenty-four thousand, four hundred twenty-two".