228882881 has 2 divisors, whose sum is σ = 228882882. Its totient is φ = 228882880.

The previous prime is 228882847. The next prime is 228882943. The reversal of 228882881 is 188288822.

228882881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204032656 + 24850225 = 14284^2 + 4985^2 .

It is a cyclic number.

It is not a de Polignac number, because 228882881 - 2²² = 224688577 is a prime.

It is a super-2 number, since 2×228882881² = 104774746429720322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228842881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114441440 + 114441441.

It is an arithmetic number, because the mean of its divisors is an integer number (114441441).

Almost surely, 2^228882881 is an apocalyptic number.

It is an amenable number.

228882881 is a deficient number, since it is larger than the sum of its proper divisors (1).

228882881 is an equidigital number, since it uses as much as digits as its factorization.

228882881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 262144, while the sum is 47.

The square root of 228882881 is about 15128.8757348324. The cubic root of 228882881 is about 611.6989999250.

The spelling of 228882881 in words is "two hundred twenty-eight million, eight hundred eighty-two thousand, eight hundred eighty-one".