13244222 has 4 divisors (see below), whose sum is σ = 19866336. Its totient is φ = 6622110.

The previous prime is 13244219. The next prime is 13244233. The reversal of 13244222 is 22244231.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13244194 and 13244203.

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 as a sum of consecutive naturals, namely, 3311054 + ... + 3311057.

It is an arithmetic number, because the mean of its divisors is an integer number (4966584).

Almost surely, 2^13244222 is an apocalyptic number.

13244222 is a deficient number, since it is larger than the sum of its proper divisors (6622114).

13244222 is an equidigital number, since it uses as much as digits as its factorization.

13244222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6622113.

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

The square root of 13244222 is about 3639.2611887580. The cubic root of 13244222 is about 236.5967732068.

Adding to 13244222 its reverse (22244231), we get a palindrome (35488453).

Subtracting 13244222 from its reverse (22244231), we obtain a palindrome (9000009).

The spelling of 13244222 in words is "thirteen million, two hundred forty-four thousand, two hundred twenty-two".