228935868 has 48 divisors (see below), whose sum is σ = 630196224. Its totient is φ = 63299520.

The previous prime is 228935849. The next prime is 228935869. The reversal of 228935868 is 868539822.

228935868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228935868.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228935869) 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, 41355 + ... + 46562.

It is an arithmetic number, because the mean of its divisors is an integer number (13129088).

Almost surely, 2^228935868 is an apocalyptic number.

228935868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228935868 is an abundant number, since it is smaller than the sum of its proper divisors (401260356).

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

228935868 is a wasteful number, since it uses less digits than its factorization.

228935868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87962 (or 87960 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 51.

The square root of 228935868 is about 15130.6268211201. The cubic root of 228935868 is about 611.7461996019.

The spelling of 228935868 in words is "two hundred twenty-eight million, nine hundred thirty-five thousand, eight hundred sixty-eight".