228259368 has 96 divisors (see below), whose sum is σ = 631800000. Its totient is φ = 74435328.

The previous prime is 228259321. The next prime is 228259403. The reversal of 228259368 is 863952822.

It is a happy number.

228259368 is a `hidden beast` number, since 2 + 282 + 5 + 9 + 368 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1146933 + ... + 1147131.

It is an arithmetic number, because the mean of its divisors is an integer number (6581250).

Almost surely, 2^228259368 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 228259368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315900000).

228259368 is an abundant number, since it is smaller than the sum of its proper divisors (403540632).

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

228259368 is a wasteful number, since it uses less digits than its factorization.

228259368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479 (or 472 counting only the distinct ones).

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

The square root of 228259368 is about 15108.2549621060. The cubic root of 228259368 is about 611.1430399871.

The spelling of 228259368 in words is "two hundred twenty-eight million, two hundred fifty-nine thousand, three hundred sixty-eight".