228130734 has 48 divisors (see below), whose sum is σ = 497552112. Its totient is φ = 69698304.

The previous prime is 228130723. The next prime is 228130751. The reversal of 228130734 is 437031822.

228130734 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 158482 + ... + 159914.

It is an arithmetic number, because the mean of its divisors is an integer number (10365669).

Almost surely, 2^228130734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228130734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (248776056).

228130734 is an abundant number, since it is smaller than the sum of its proper divisors (269421378).

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

228130734 is a wasteful number, since it uses less digits than its factorization.

228130734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 228130734 is about 15103.9972854870. The cubic root of 228130734 is about 611.0282165934.

The spelling of 228130734 in words is "two hundred twenty-eight million, one hundred thirty thousand, seven hundred thirty-four".