173109228 has 48 divisors (see below), whose sum is σ = 435093120. Its totient is φ = 53391744.

The previous prime is 173109193. The next prime is 173109241. The reversal of 173109228 is 822901371.

173109228 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 976 + ... + 18632.

It is an arithmetic number, because the mean of its divisors is an integer number (9064440).

Almost surely, 2^173109228 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 173109228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217546560).

173109228 is an abundant number, since it is smaller than the sum of its proper divisors (261983892).

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

173109228 is a wasteful number, since it uses less digits than its factorization.

173109228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17726 (or 17724 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 173109228 is about 13157.0980082996. The cubic root of 173109228 is about 557.3227095505.

The spelling of 173109228 in words is "one hundred seventy-three million, one hundred nine thousand, two hundred twenty-eight".