228344886 has 64 divisors (see below), whose sum is σ = 632655360. Its totient is φ = 59309280.

The previous prime is 228344881. The next prime is 228344939. The reversal of 228344886 is 688443822.

228344886 is a `hidden beast` number, since 228 + 344 + 8 + 86 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228344881) 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 31 ways as a sum of consecutive naturals, for example, 23301 + ... + 31616.

It is an arithmetic number, because the mean of its divisors is an integer number (9885240).

Almost surely, 2^228344886 is an apocalyptic number.

228344886 is an abundant number, since it is smaller than the sum of its proper divisors (404310474).

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

228344886 is a wasteful number, since it uses less digits than its factorization.

228344886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54946 (or 54940 counting only the distinct ones).

The product of its digits is 589824, while the sum is 45.

The square root of 228344886 is about 15111.0848717092. The cubic root of 228344886 is about 611.2193525979.

The spelling of 228344886 in words is "two hundred twenty-eight million, three hundred forty-four thousand, eight hundred eighty-six".