228910468 has 12 divisors (see below), whose sum is σ = 402020892. Its totient is φ = 114047360.

The previous prime is 228910447. The next prime is 228910469. The reversal of 228910468 is 864019822.

It can be written as a sum of positive squares in 2 ways, for example, as 203689984 + 25220484 = 14272^2 + 5022^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228910468.

It is not an unprimeable number, because it can be changed into a prime (228910469) 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, 100705 + ... + 102952.

It is an arithmetic number, because the mean of its divisors is an integer number (33501741).

Almost surely, 2^228910468 is an apocalyptic number.

It is an amenable number.

228910468 is a deficient number, since it is larger than the sum of its proper divisors (173110424).

228910468 is a wasteful number, since it uses less digits than its factorization.

228910468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203942 (or 203940 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 228910468 is about 15129.7874406748. The cubic root of 228910468 is about 611.7235747386.

The spelling of 228910468 in words is "two hundred twenty-eight million, nine hundred ten thousand, four hundred sixty-eight".