284120229 has 4 divisors (see below), whose sum is σ = 378826976. Its totient is φ = 189413484.

The previous prime is 284120191. The next prime is 284120233. The reversal of 284120229 is 922021482.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 284120229 - 2⁷ = 284120101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 284120196 and 284120205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284120729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47353369 + ... + 47353374.

It is an arithmetic number, because the mean of its divisors is an integer number (94706744).

Almost surely, 2^284120229 is an apocalyptic number.

It is an amenable number.

284120229 is a deficient number, since it is larger than the sum of its proper divisors (94706747).

284120229 is an equidigital number, since it uses as much as digits as its factorization.

284120229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94706746.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 284120229 is about 16855.8663082026. The cubic root of 284120229 is about 657.4065881453.

The spelling of 284120229 in words is "two hundred eighty-four million, one hundred twenty thousand, two hundred twenty-nine".