16147228 has 12 divisors (see below), whose sum is σ = 28287000. Its totient is φ = 8065232.

The previous prime is 16147223. The next prime is 16147237. The reversal of 16147228 is 82274161.

It is a self number, because there is not a number n which added to its sum of digits gives 16147228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16147223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4650 + ... + 7342.

It is an arithmetic number, because the mean of its divisors is an integer number (2357250).

Almost surely, 2^16147228 is an apocalyptic number.

It is an amenable number.

16147228 is a deficient number, since it is larger than the sum of its proper divisors (12139772).

16147228 is a wasteful number, since it uses less digits than its factorization.

16147228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196 (or 4194 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 16147228 is about 4018.3613575685. The cubic root of 16147228 is about 252.7547499191.

The spelling of 16147228 in words is "sixteen million, one hundred forty-seven thousand, two hundred twenty-eight".