273228 has 12 divisors (see below), whose sum is σ = 637560. Its totient is φ = 91072.

The previous prime is 273193. The next prime is 273233. The reversal of 273228 is 822372.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 273198 and 273207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11373 + ... + 11396.

It is an arithmetic number, because the mean of its divisors is an integer number (53130).

2²⁷³²²⁸ is an apocalyptic number.

It is an amenable number.

273228 is an abundant number, since it is smaller than the sum of its proper divisors (364332).

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

273228 is a wasteful number, since it uses less digits than its factorization.

273228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22776 (or 22774 counting only the distinct ones).

The product of its digits is 1344, while the sum is 24.

The square root of 273228 is about 522.7121578842. The cubic root of 273228 is about 64.8895956186.

The spelling of 273228 in words is "two hundred seventy-three thousand, two hundred twenty-eight".