228767208 has 32 divisors (see below), whose sum is σ = 585869760. Its totient is φ = 74395520.

The previous prime is 228767207. The next prime is 228767213. The reversal of 228767208 is 802767822.

It is a super-2 number, since 2×228767208² = 104668870912230528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 228767208.

It is not an unprimeable number, because it can be changed into a prime (228767207) 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, 115260 + ... + 117227.

It is an arithmetic number, because the mean of its divisors is an integer number (18308430).

Almost surely, 2^228767208 is an apocalyptic number.

It is an amenable number.

228767208 is an abundant number, since it is smaller than the sum of its proper divisors (357102552).

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

228767208 is a wasteful number, since it uses less digits than its factorization.

228767208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232537 (or 232533 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 228767208 is about 15125.0523304880. The cubic root of 228767208 is about 611.5959355962.

The spelling of 228767208 in words is "two hundred twenty-eight million, seven hundred sixty-seven thousand, two hundred eight".