284283225 has 36 divisors (see below), whose sum is σ = 535990000. Its totient is φ = 143635680.

The previous prime is 284283179. The next prime is 284283257. The reversal of 284283225 is 522382482.

284283225 is a `hidden beast` number, since 2 + 8 + 428 + 3 + 225 = 666.

It is not a de Polignac number, because 284283225 - 2¹⁴ = 284266841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 284283225.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28975 + ... + 37524.

Almost surely, 2^284283225 is an apocalyptic number.

284283225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284283225 is a deficient number, since it is larger than the sum of its proper divisors (251706775).

284283225 is a wasteful number, since it uses less digits than its factorization.

284283225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66534 (or 66526 counting only the distinct ones).

The product of its digits is 61440, while the sum is 36.

The square root of 284283225 is about 16860.7006082191. The cubic root of 284283225 is about 657.5322792540.

The spelling of 284283225 in words is "two hundred eighty-four million, two hundred eighty-three thousand, two hundred twenty-five".