228382878 has 32 divisors (see below), whose sum is σ = 461410560. Its totient is φ = 75358080.

The previous prime is 228382877. The next prime is 228382897. The reversal of 228382878 is 878283822.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228382873) 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, 361623 + ... + 362253.

It is an arithmetic number, because the mean of its divisors is an integer number (14419080).

Almost surely, 2^228382878 is an apocalyptic number.

228382878 is an abundant number, since it is smaller than the sum of its proper divisors (233027682).

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

228382878 is a wasteful number, since it uses less digits than its factorization.

228382878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 688128, while the sum is 48.

The square root of 228382878 is about 15112.3419098431. The cubic root of 228382878 is about 611.2532489236.

The spelling of 228382878 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred seventy-eight".