228747864 has 16 divisors (see below), whose sum is σ = 571869720. Its totient is φ = 76249280.

The previous prime is 228747863. The next prime is 228747881. The reversal of 228747864 is 468747822.

It is a happy number.

228747864 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228747863) 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 3 ways as a sum of consecutive naturals, for example, 4765557 + ... + 4765604.

Almost surely, 2^228747864 is an apocalyptic number.

228747864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228747864 is an abundant number, since it is smaller than the sum of its proper divisors (343121856).

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

228747864 is a wasteful number, since it uses less digits than its factorization.

228747864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9531170 (or 9531166 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 48.

The square root of 228747864 is about 15124.4128481075. The cubic root of 228747864 is about 611.5786967542.

The spelling of 228747864 in words is "two hundred twenty-eight million, seven hundred forty-seven thousand, eight hundred sixty-four".