16674228 has 48 divisors (see below), whose sum is σ = 43955520. Its totient is φ = 5464800.

The previous prime is 16674221. The next prime is 16674233. The reversal of 16674228 is 82247661.

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

It is a junction number, because it is equal to n+sod(n) for n = 16674192 and 16674201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16674221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5323 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (915740).

Almost surely, 2^16674228 is an apocalyptic number.

16674228 is a gapful number since it is divisible by the number (18) 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 16674228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21977760).

16674228 is an abundant number, since it is smaller than the sum of its proper divisors (27281292).

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

16674228 is a wasteful number, since it uses less digits than its factorization.

16674228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2597 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 16674228 is about 4083.4088700496. The cubic root of 16674228 is about 255.4751004313.

The spelling of 16674228 in words is "sixteen million, six hundred seventy-four thousand, two hundred twenty-eight".