173228 has 24 divisors (see below), whose sum is σ = 344064. Its totient is φ = 75600.

The previous prime is 173219. The next prime is 173249. The reversal of 173228 is 822371.

It is an unprimeable number.

173228 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (14336).

2¹⁷³²²⁸ is an apocalyptic number.

It is an amenable number.

173228 is a deficient number, since it is larger than the sum of its proper divisors (170836).

173228 is a wasteful number, since it uses less digits than its factorization.

173228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 171 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 173228 is about 416.2066794274. The cubic root of 173228 is about 55.7450142002.

Adding to 173228 its reverse (822371), we get a palindrome (995599).

The spelling of 173228 in words is "one hundred seventy-three thousand, two hundred twenty-eight".