16712228 has 24 divisors (see below), whose sum is σ = 31607352. Its totient is φ = 7686144.

The previous prime is 16712221. The next prime is 16712243. The reversal of 16712228 is 82221761.

It can be written as a sum of positive squares in 4 ways, for example, as 1517824 + 15194404 = 1232^2 + 3898^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 16712228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16712221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28676 + ... + 29252.

It is an arithmetic number, because the mean of its divisors is an integer number (1316973).

Almost surely, 2^16712228 is an apocalyptic number.

It is an amenable number.

16712228 is a deficient number, since it is larger than the sum of its proper divisors (14895124).

16712228 is a wasteful number, since it uses less digits than its factorization.

16712228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151 (or 1149 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 16712228 is about 4088.0591972231. The cubic root of 16712228 is about 255.6690262184.

Adding to 16712228 its reverse (82221761), we get a palindrome (98933989).

The spelling of 16712228 in words is "sixteen million, seven hundred twelve thousand, two hundred twenty-eight".