228881827 has 4 divisors (see below), whose sum is σ = 232761240. Its totient is φ = 225002416.

The previous prime is 228881801. The next prime is 228881831. The reversal of 228881827 is 728188822.

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 228881827 - 2¹⁵ = 228849059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (228881867) 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, 1939618 + ... + 1939735.

It is an arithmetic number, because the mean of its divisors is an integer number (58190310).

Almost surely, 2^228881827 is an apocalyptic number.

228881827 is a deficient number, since it is larger than the sum of its proper divisors (3879413).

228881827 is an equidigital number, since it uses as much as digits as its factorization.

228881827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3879412.

The product of its digits is 229376, while the sum is 46.

The square root of 228881827 is about 15128.8409007432. The cubic root of 228881827 is about 611.6980609707.

The spelling of 228881827 in words is "two hundred twenty-eight million, eight hundred eighty-one thousand, eight hundred twenty-seven".