228875863 has 4 divisors (see below), whose sum is σ = 228935800. Its totient is φ = 228815928.

The previous prime is 228875861. The next prime is 228875887. The reversal of 228875863 is 368578822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 228875863 - 2¹ = 228875861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228875861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23820 + ... + 32017.

It is an arithmetic number, because the mean of its divisors is an integer number (57233950).

Almost surely, 2^228875863 is an apocalyptic number.

228875863 is a deficient number, since it is larger than the sum of its proper divisors (59937).

228875863 is an equidigital number, since it uses as much as digits as its factorization.

228875863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59936.

The product of its digits is 1290240, while the sum is 49.

The square root of 228875863 is about 15128.6437924885. The cubic root of 228875863 is about 611.6927478957.

The spelling of 228875863 in words is "two hundred twenty-eight million, eight hundred seventy-five thousand, eight hundred sixty-three".