228109004 has 12 divisors (see below), whose sum is σ = 405149304. Its totient is φ = 112352064.

The previous prime is 228108967. The next prime is 228109019. The reversal of 228109004 is 400901822.

228109004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425309 + ... + 425844.

It is an arithmetic number, because the mean of its divisors is an integer number (33762442).

Almost surely, 2^228109004 is an apocalyptic number.

It is an amenable number.

228109004 is a deficient number, since it is larger than the sum of its proper divisors (177040300).

228109004 is a wasteful number, since it uses less digits than its factorization.

228109004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851224 (or 851222 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 228109004 is about 15103.2779223584. The cubic root of 228109004 is about 611.0088153426.

The spelling of 228109004 in words is "two hundred twenty-eight million, one hundred nine thousand, four".