284132228 has 12 divisors (see below), whose sum is σ = 497850192. Its totient is φ = 141889320.

The previous prime is 284132209. The next prime is 284132231. The reversal of 284132228 is 822231482.

It is a super-2 number, since 2×284132228² = 161462245976487968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284132194 and 284132203.

It is an unprimeable number.

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, 40550 + ... + 47037.

It is an arithmetic number, because the mean of its divisors is an integer number (41487516).

Almost surely, 2^284132228 is an apocalyptic number.

It is an amenable number.

284132228 is a deficient number, since it is larger than the sum of its proper divisors (213717964).

284132228 is a wasteful number, since it uses less digits than its factorization.

284132228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88402 (or 88400 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 284132228 is about 16856.2222339408. Note that the first 4 decimals coincide. The cubic root of 284132228 is about 657.4158425733.

The spelling of 284132228 in words is "two hundred eighty-four million, one hundred thirty-two thousand, two hundred twenty-eight".