228797286 has 16 divisors (see below), whose sum is σ = 459041904. Its totient is φ = 76024544.

The previous prime is 228797251. The next prime is 228797311. The reversal of 228797286 is 682797822.

It is a Curzon number.

It is a congruent number.

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, 58245 + ... + 62048.

It is an arithmetic number, because the mean of its divisors is an integer number (28690119).

Almost surely, 2^228797286 is an apocalyptic number.

228797286 is an abundant number, since it is smaller than the sum of its proper divisors (230244618).

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

228797286 is a wasteful number, since it uses less digits than its factorization.

228797286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120615.

The product of its digits is 1354752, while the sum is 51.

The square root of 228797286 is about 15126.0466084169. The cubic root of 228797286 is about 611.6227383543.

The spelling of 228797286 in words is "two hundred twenty-eight million, seven hundred ninety-seven thousand, two hundred eighty-six".