284580228 has 12 divisors (see below), whose sum is σ = 664020560. Its totient is φ = 94860072.

The previous prime is 284580227. The next prime is 284580269. The reversal of 284580228 is 822085482.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (284580223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11857498 + ... + 11857521.

Almost surely, 2^284580228 is an apocalyptic number.

It is an amenable number.

284580228 is an abundant number, since it is smaller than the sum of its proper divisors (379440332).

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

284580228 is a wasteful number, since it uses less digits than its factorization.

284580228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23715026 (or 23715024 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 284580228 is about 16869.5058611685. The cubic root of 284580228 is about 657.7611837089.

The spelling of 284580228 in words is "two hundred eighty-four million, five hundred eighty thousand, two hundred twenty-eight".