229238856 has 288 divisors, whose sum is σ = 818748000. Its totient is φ = 59209920.

The previous prime is 229238851. The next prime is 229238873. The reversal of 229238856 is 658832922.

It is a happy number.

229238856 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (229238851) 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 71 ways as a sum of consecutive naturals, for example, 1280575 + ... + 1280753.

It is an arithmetic number, because the mean of its divisors is an integer number (2842875).

Almost surely, 2^229238856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229238856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409374000).

229238856 is an abundant number, since it is smaller than the sum of its proper divisors (589509144).

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

229238856 is a wasteful number, since it uses less digits than its factorization.

229238856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 202 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The square root of 229238856 is about 15140.6359179527. The cubic root of 229238856 is about 612.0159549858.

The spelling of 229238856 in words is "two hundred twenty-nine million, two hundred thirty-eight thousand, eight hundred fifty-six".