284222800 has 30 divisors (see below), whose sum is σ = 682846238. Its totient is φ = 113688960.

The previous prime is 284222791. The next prime is 284222833. The reversal of 284222800 is 8222482.

It can be written as a sum of positive squares in 3 ways, for example, as 39237696 + 244985104 = 6264^2 + 15652^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 354879 + ... + 355678.

Almost surely, 2^284222800 is an apocalyptic number.

284222800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284222800 is an abundant number, since it is smaller than the sum of its proper divisors (398623438).

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

284222800 is a wasteful number, since it uses less digits than its factorization.

284222800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710575 (or 710564 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 284222800 is about 16858.9086242259. The cubic root of 284222800 is about 657.4856893279.

The spelling of 284222800 in words is "two hundred eighty-four million, two hundred twenty-two thousand, eight hundred".