228134418 has 16 divisors (see below), whose sum is σ = 459863040. Its totient is φ = 75445776.

The previous prime is 228134377. The next prime is 228134443. The reversal of 228134418 is 814431822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148933 + ... + 150456.

It is an arithmetic number, because the mean of its divisors is an integer number (28741440).

Almost surely, 2^228134418 is an apocalyptic number.

228134418 is an abundant number, since it is smaller than the sum of its proper divisors (231728622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228134418 is a wasteful number, since it uses less digits than its factorization.

228134418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299521.

The product of its digits is 12288, while the sum is 33.

The square root of 228134418 is about 15104.1192394658. The cubic root of 228134418 is about 611.0315056663.

The spelling of 228134418 in words is "two hundred twenty-eight million, one hundred thirty-four thousand, four hundred eighteen".