16227328 has 88 divisors (see below), whose sum is σ = 37140768. Its totient is φ = 7028736.

The previous prime is 16227319. The next prime is 16227331. The reversal of 16227328 is 82372261.

It is a self number, because there is not a number n which added to its sum of digits gives 16227328.

It is a congruent number.

It is an unprimeable number.

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, 306150 + ... + 306202.

Almost surely, 2^16227328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16227328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18570384).

16227328 is an abundant number, since it is smaller than the sum of its proper divisors (20913440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16227328 is a wasteful number, since it uses less digits than its factorization.

16227328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109 (or 91 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 16227328 is about 4028.3157770959. The cubic root of 16227328 is about 253.1719994626.

Adding to 16227328 its reverse (82372261), we get a palindrome (98599589).

The spelling of 16227328 in words is "sixteen million, two hundred twenty-seven thousand, three hundred twenty-eight".