11223424 has 16 divisors (see below), whose sum is σ = 22359420. Its totient is φ = 5611648.

The previous prime is 11223419. The next prime is 11223427. The reversal of 11223424 is 42432211.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11223427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43714 + ... + 43969.

Almost surely, 2^11223424 is an apocalyptic number.

It is an amenable number.

11223424 is a deficient number, since it is larger than the sum of its proper divisors (11135996).

11223424 is an frugal number, since it uses more digits than its factorization.

11223424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87697 (or 87685 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 11223424 is about 3350.1379076092. The cubic root of 11223424 is about 223.8936570051.

Adding to 11223424 its reverse (42432211), we get a palindrome (53655635).

The spelling of 11223424 in words is "eleven million, two hundred twenty-three thousand, four hundred twenty-four".