228784282 has 32 divisors (see below), whose sum is σ = 369619200. Its totient is φ = 105883200.

The previous prime is 228784279. The next prime is 228784307. The reversal of 228784282 is 282487822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 530607 + ... + 531037.

It is an arithmetic number, because the mean of its divisors is an integer number (11550600).

Almost surely, 2^228784282 is an apocalyptic number.

228784282 is a deficient number, since it is larger than the sum of its proper divisors (140834918).

228784282 is a wasteful number, since it uses less digits than its factorization.

228784282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its digits is 229376, while the sum is 43.

The square root of 228784282 is about 15125.6167477561. The cubic root of 228784282 is about 611.6111506691.

The spelling of 228784282 in words is "two hundred twenty-eight million, seven hundred eighty-four thousand, two hundred eighty-two".