16228368 has 60 divisors (see below), whose sum is σ = 48916140. Its totient is φ = 4992768.

The previous prime is 16228361. The next prime is 16228397. The reversal of 16228368 is 86382261.

It can be written as a sum of positive squares in 2 ways, for example, as 4613904 + 11614464 = 2148^2 + 3408^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (16228361) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2463 + ... + 6206.

It is an arithmetic number, because the mean of its divisors is an integer number (815269).

Almost surely, 2^16228368 is an apocalyptic number.

16228368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16228368 is an abundant number, since it is smaller than the sum of its proper divisors (32687772).

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

16228368 is a wasteful number, since it uses less digits than its factorization.

16228368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8696 (or 8687 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 16228368 is about 4028.4448612337. Note that the first 3 decimals coincide. The cubic root of 16228368 is about 253.1774078957.

The spelling of 16228368 in words is "sixteen million, two hundred twenty-eight thousand, three hundred sixty-eight".