16028224 has 14 divisors (see below), whose sum is σ = 31806134. Its totient is φ = 8014080.

The previous prime is 16028219. The next prime is 16028227. The reversal of 16028224 is 42282061.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16000000 + 28224 = 4000^2 + 168^2 .

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (16028227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125157 + ... + 125284.

Almost surely, 2^16028224 is an apocalyptic number.

It is an amenable number.

16028224 is a deficient number, since it is larger than the sum of its proper divisors (15777910).

16028224 is an equidigital number, since it uses as much as digits as its factorization.

16028224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250453 (or 250443 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 16028224 is about 4003.5264455227. The cubic root of 16028224 is about 252.1322896577.

The spelling of 16028224 in words is "sixteen million, twenty-eight thousand, two hundred twenty-four".