228887750 has 64 divisors (see below), whose sum is σ = 527409792. Its totient is φ = 72432000.

The previous prime is 228887723. The next prime is 228887759. The reversal of 228887750 is 57788822.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 228887695 and 228887704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228887759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17720 + ... + 27780.

It is an arithmetic number, because the mean of its divisors is an integer number (8240778).

Almost surely, 2^228887750 is an apocalyptic number.

228887750 is an abundant number, since it is smaller than the sum of its proper divisors (298522042).

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

228887750 is a wasteful number, since it uses less digits than its factorization.

228887750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10098 (or 10088 counting only the distinct ones).

The product of its (nonzero) digits is 501760, while the sum is 47.

The square root of 228887750 is about 15129.0366514197. The cubic root of 228887750 is about 611.7033374291.

The spelling of 228887750 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, seven hundred fifty".