228008286 has 96 divisors (see below), whose sum is σ = 562738176. Its totient is φ = 66646800.

The previous prime is 228008281. The next prime is 228008309. The reversal of 228008286 is 682800822.

It is a self number, because there is not a number n which added to its sum of digits gives 228008286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228008281) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 742545 + ... + 742851.

It is an arithmetic number, because the mean of its divisors is an integer number (5861856).

Almost surely, 2^228008286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228008286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281369088).

228008286 is an abundant number, since it is smaller than the sum of its proper divisors (334729890).

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

228008286 is a wasteful number, since it uses less digits than its factorization.

228008286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 228008286 is about 15099.9432449265. The cubic root of 228008286 is about 610.9188749423.

The spelling of 228008286 in words is "two hundred twenty-eight million, eight thousand, two hundred eighty-six".