16527228 has 12 divisors (see below), whose sum is σ = 38563560. Its totient is φ = 5509072.

The previous prime is 16527227. The next prime is 16527289. The reversal of 16527228 is 82272561.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16527227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688623 + ... + 688646.

It is an arithmetic number, because the mean of its divisors is an integer number (3213630).

Almost surely, 2^16527228 is an apocalyptic number.

It is an amenable number.

16527228 is an abundant number, since it is smaller than the sum of its proper divisors (22036332).

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

16527228 is a wasteful number, since it uses less digits than its factorization.

16527228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377276 (or 1377274 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 16527228 is about 4065.3693559134. The cubic root of 16527228 is about 254.7221271473.

Adding to 16527228 its reverse (82272561), we get a palindrome (98799789).

The spelling of 16527228 in words is "sixteen million, five hundred twenty-seven thousand, two hundred twenty-eight".