16706228 has 36 divisors (see below), whose sum is σ = 36733536. Its totient is φ = 6507600.

The previous prime is 16706177. The next prime is 16706243. The reversal of 16706228 is 82260761.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16706194 and 16706203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 923 + ... + 5853.

It is an arithmetic number, because the mean of its divisors is an integer number (1020376).

Almost surely, 2^16706228 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 16706228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18366768).

16706228 is an abundant number, since it is smaller than the sum of its proper divisors (20027308).

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

16706228 is a wasteful number, since it uses less digits than its factorization.

16706228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4964 (or 4951 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 16706228 is about 4087.3252867860. The cubic root of 16706228 is about 255.6384259143.

Adding to 16706228 its reverse (82260761), we get a palindrome (98966989).

The spelling of 16706228 in words is "sixteen million, seven hundred six thousand, two hundred twenty-eight".