228887568 has 120 divisors (see below), whose sum is σ = 788435648. Its totient is φ = 60362496.

The previous prime is 228887567. The next prime is 228887573. The reversal of 228887568 is 865788822.

It is not an unprimeable number, because it can be changed into a prime (228887563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4371 + ... + 21837.

Almost surely, 2^228887568 is an apocalyptic number.

228887568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228887568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394217824).

228887568 is an abundant number, since it is smaller than the sum of its proper divisors (559548080).

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

228887568 is a wasteful number, since it uses less digits than its factorization.

228887568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17501 (or 17492 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 54.

The square root of 228887568 is about 15129.0306364949. The cubic root of 228887568 is about 611.7031752972.

The spelling of 228887568 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred sixty-eight".