16228000 has 48 divisors (see below), whose sum is σ = 39882024. Its totient is φ = 6489600.

The previous prime is 16227989. The next prime is 16228001. The reversal of 16228000 is 82261.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4857616 + 11370384 = 2204^2 + 3372^2 .

It is not an unprimeable number, because it can be changed into a prime (16228001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1972 + ... + 6028.

Almost surely, 2^16228000 is an apocalyptic number.

16228000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16228000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19941012).

16228000 is an abundant number, since it is smaller than the sum of its proper divisors (23654024).

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

16228000 is an equidigital number, since it uses as much as digits as its factorization.

16228000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4082 (or 4064 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 16228000 is about 4028.3991857809. The cubic root of 16228000 is about 253.1754941688.

The spelling of 16228000 in words is "sixteen million, two hundred twenty-eight thousand".