228303273 has 16 divisors (see below), whose sum is σ = 337708800. Its totient is φ = 136019280.

The previous prime is 228303241. The next prime is 228303281. The reversal of 228303273 is 372303822.

It is not a de Polignac number, because 228303273 - 2⁵ = 228303241 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228303273.

It is not an unprimeable number, because it can be changed into a prime (228303473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56683 + ... + 60576.

It is an arithmetic number, because the mean of its divisors is an integer number (21106800).

Almost surely, 2^228303273 is an apocalyptic number.

It is an amenable number.

228303273 is a deficient number, since it is larger than the sum of its proper divisors (109405527).

228303273 is a wasteful number, since it uses less digits than its factorization.

228303273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117332.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 228303273 is about 15109.7079058465. The cubic root of 228303273 is about 611.1822213144.

The spelling of 228303273 in words is "two hundred twenty-eight million, three hundred three thousand, two hundred seventy-three".