16038224 has 20 divisors (see below), whose sum is σ = 31662036. Its totient is φ = 7867392.

The previous prime is 16038193. The next prime is 16038227. The reversal of 16038224 is 42283061.

16038224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13987600 + 2050624 = 3740^2 + 1432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16038193 and 16038202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16038227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8609 + ... + 10304.

Almost surely, 2^16038224 is an apocalyptic number.

It is an amenable number.

16038224 is a deficient number, since it is larger than the sum of its proper divisors (15623812).

16038224 is a wasteful number, since it uses less digits than its factorization.

16038224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18974 (or 18968 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 16038224 is about 4004.7751497431. The cubic root of 16038224 is about 252.1847138216.

The spelling of 16038224 in words is "sixteen million, thirty-eight thousand, two hundred twenty-four".