13223224 has 16 divisors (see below), whose sum is σ = 28335600. Its totient is φ = 5667072.

The previous prime is 13223213. The next prime is 13223237. The reversal of 13223224 is 42232231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118009 + ... + 118120.

It is an arithmetic number, because the mean of its divisors is an integer number (1770975).

Almost surely, 2^13223224 is an apocalyptic number.

13223224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13223224 is an abundant number, since it is smaller than the sum of its proper divisors (15112376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223224 is a wasteful number, since it uses less digits than its factorization.

13223224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236142 (or 236138 counting only the distinct ones).

The product of its digits is 576, while the sum is 19.

The square root of 13223224 is about 3636.3751181637. The cubic root of 13223224 is about 236.4716699256.

Adding to 13223224 its reverse (42232231), we get a palindrome (55455455).

The spelling of 13223224 in words is "thirteen million, two hundred twenty-three thousand, two hundred twenty-four".