228689058 has 32 divisors (see below), whose sum is σ = 496343232. Its totient is φ = 69825600.

The previous prime is 228689051. The next prime is 228689063. The reversal of 228689058 is 850986822.

It is a junction number, because it is equal to n+sod(n) for n = 228688998 and 228689016.

It is not an unprimeable number, because it can be changed into a prime (228689051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 973 + ... + 21408.

It is an arithmetic number, because the mean of its divisors is an integer number (15510726).

Almost surely, 2^228689058 is an apocalyptic number.

228689058 is an abundant number, since it is smaller than the sum of its proper divisors (267654174).

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

228689058 is a wasteful number, since it uses less digits than its factorization.

228689058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22530.

The product of its (nonzero) digits is 552960, while the sum is 48.

The square root of 228689058 is about 15122.4686476779. The cubic root of 228689058 is about 611.5262844919.

The spelling of 228689058 in words is "two hundred twenty-eight million, six hundred eighty-nine thousand, fifty-eight".