228750234 has 64 divisors (see below), whose sum is σ = 498960000. Its totient is φ = 69672960.

The previous prime is 228750227. The next prime is 228750259. The reversal of 228750234 is 432057822.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228750195 and 228750204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509242 + ... + 509690.

It is an arithmetic number, because the mean of its divisors is an integer number (7796250).

Almost surely, 2^228750234 is an apocalyptic number.

228750234 is an abundant number, since it is smaller than the sum of its proper divisors (270209766).

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

228750234 is a wasteful number, since it uses less digits than its factorization.

228750234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 228750234 is about 15124.4911980536. The cubic root of 228750234 is about 611.5808088854.

The spelling of 228750234 in words is "two hundred twenty-eight million, seven hundred fifty thousand, two hundred thirty-four".