228695856 has 80 divisors (see below), whose sum is σ = 643411200. Its totient is φ = 69721344.

The previous prime is 228695851. The next prime is 228695867. The reversal of 228695856 is 658596822.

228695856 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 228695799 and 228695808.

It is not an unprimeable number, because it can be changed into a prime (228695851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22125 + ... + 30771.

It is an arithmetic number, because the mean of its divisors is an integer number (8042640).

Almost surely, 2^228695856 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 228695856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321705600).

228695856 is an abundant number, since it is smaller than the sum of its proper divisors (414715344).

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

228695856 is a wasteful number, since it uses less digits than its factorization.

228695856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8706 (or 8700 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 51.

The square root of 228695856 is about 15122.6934108974. The cubic root of 228695856 is about 611.5323438322.

The spelling of 228695856 in words is "two hundred twenty-eight million, six hundred ninety-five thousand, eight hundred fifty-six".