228948838 has 12 divisors (see below), whose sum is σ = 352008900. Its totient is φ = 111680720.

The previous prime is 228948821. The next prime is 228948847. The reversal of 228948838 is 838849822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30688 + ... + 37411.

It is an arithmetic number, because the mean of its divisors is an integer number (29334075).

Almost surely, 2^228948838 is an apocalyptic number.

228948838 is a deficient number, since it is larger than the sum of its proper divisors (123060062).

228948838 is an equidigital number, since it uses as much as digits as its factorization.

228948838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68183 (or 68142 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 52.

The square root of 228948838 is about 15131.0554159318. The cubic root of 228948838 is about 611.7577518886.

The spelling of 228948838 in words is "two hundred twenty-eight million, nine hundred forty-eight thousand, eight hundred thirty-eight".