284223345 has 64 divisors (see below), whose sum is σ = 555171840. Its totient is φ = 121363200.

The previous prime is 284223319. The next prime is 284223349. The reversal of 284223345 is 543322482.

It is not a de Polignac number, because 284223345 - 2⁶ = 284223281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (284223349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 92890 + ... + 95900.

It is an arithmetic number, because the mean of its divisors is an integer number (8674560).

Almost surely, 2^284223345 is an apocalyptic number.

It is an amenable number.

284223345 is a deficient number, since it is larger than the sum of its proper divisors (270948495).

284223345 is a wasteful number, since it uses less digits than its factorization.

284223345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086.

The product of its digits is 46080, while the sum is 33.

The square root of 284223345 is about 16858.9247877793. The cubic root of 284223345 is about 657.4861095727.

The spelling of 284223345 in words is "two hundred eighty-four million, two hundred twenty-three thousand, three hundred forty-five".