171342228 has 48 divisors (see below), whose sum is σ = 422515520. Its totient is φ = 53892864.

The previous prime is 171342217. The next prime is 171342233. The reversal of 171342228 is 822243171.

171342228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 171342195 and 171342204.

It is a congruent number.

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, 61800 + ... + 64512.

Almost surely, 2^171342228 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 171342228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211257760).

171342228 is an abundant number, since it is smaller than the sum of its proper divisors (251173292).

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

171342228 is a wasteful number, since it uses less digits than its factorization.

171342228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016 (or 3014 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 171342228 is about 13089.7757047247. The cubic root of 171342228 is about 555.4199435099.

Adding to 171342228 its reverse (822243171), we get a palindrome (993585399).

The spelling of 171342228 in words is "one hundred seventy-one million, three hundred forty-two thousand, two hundred twenty-eight".