228384518 has 16 divisors (see below), whose sum is σ = 345772800. Its totient is φ = 113131200.

The previous prime is 228384517. The next prime is 228384521. The reversal of 228384518 is 815483822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228384517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154523 + ... + 155993.

It is an arithmetic number, because the mean of its divisors is an integer number (21610800).

Almost surely, 2^228384518 is an apocalyptic number.

228384518 is a deficient number, since it is larger than the sum of its proper divisors (117388282).

228384518 is a wasteful number, since it uses less digits than its factorization.

228384518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143.

The product of its digits is 122880, while the sum is 41.

The square root of 228384518 is about 15112.3961700321. The cubic root of 228384518 is about 611.2547120411.

The spelling of 228384518 in words is "two hundred twenty-eight million, three hundred eighty-four thousand, five hundred eighteen".