12224448 has 84 divisors (see below), whose sum is σ = 36916360. Its totient is φ = 3856896.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224448 is 84442221.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 10.

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 11 ways as a sum of consecutive naturals, for example, 10386 + ... + 11502.

Almost surely, 2^12224448 is an apocalyptic number.

12224448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18458180).

12224448 is an abundant number, since it is smaller than the sum of its proper divisors (24691912).

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

12224448 is a wasteful number, since it uses less digits than its factorization.

12224448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1141 counting only the distinct ones).

The product of its digits is 4096, while the sum is 27.

The square root of 12224448 is about 3496.3478087856. The cubic root of 12224448 is about 230.3614229394.

Adding to 12224448 its reverse (84442221), we get a palindrome (96666669).

The spelling of 12224448 in words is "twelve million, two hundred twenty-four thousand, four hundred forty-eight".