16124224 has 14 divisors (see below), whose sum is σ = 31996634. Its totient is φ = 8062080.

The previous prime is 16124221. The next prime is 16124231. The reversal of 16124224 is 42242161.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 14684224 + 1440000 = 3832^2 + 1200^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16124195 and 16124204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16124221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125907 + ... + 126034.

Almost surely, 2^16124224 is an apocalyptic number.

It is an amenable number.

16124224 is a deficient number, since it is larger than the sum of its proper divisors (15872410).

16124224 is an equidigital number, since it uses as much as digits as its factorization.

16124224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251953 (or 251943 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 16124224 is about 4015.4979765902. The cubic root of 16124224 is about 252.6346646309.

Adding to 16124224 its reverse (42242161), we get a palindrome (58366385).

The spelling of 16124224 in words is "sixteen million, one hundred twenty-four thousand, two hundred twenty-four".