16724228 has 12 divisors (see below), whose sum is σ = 29981532. Its totient is φ = 8158080.

The previous prime is 16724189. The next prime is 16724231. The reversal of 16724228 is 82242761.

16724228 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 1295044 + 15429184 = 1138^2 + 3928^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16724194 and 16724203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50825 + ... + 51152.

It is an arithmetic number, because the mean of its divisors is an integer number (2498461).

Almost surely, 2^16724228 is an apocalyptic number.

It is an amenable number.

16724228 is a deficient number, since it is larger than the sum of its proper divisors (13257304).

16724228 is a wasteful number, since it uses less digits than its factorization.

16724228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102022 (or 102020 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 16724228 is about 4089.5266229724. The cubic root of 16724228 is about 255.7302048613.

Adding to 16724228 its reverse (82242761), we get a palindrome (98966989).

The spelling of 16724228 in words is "sixteen million, seven hundred twenty-four thousand, two hundred twenty-eight".