224842809 has 8 divisors (see below), whose sum is σ = 300768160. Its totient is φ = 149406336.

The previous prime is 224842763. The next prime is 224842823. The reversal of 224842809 is 908248422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 224842809 - 2⁹ = 224842297 is a prime.

It is a super-4 number, since 4×224842809⁴ (a number of 35 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224842859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121144 + ... + 122985.

It is an arithmetic number, because the mean of its divisors is an integer number (37596020).

Almost surely, 2^224842809 is an apocalyptic number.

It is an amenable number.

224842809 is a deficient number, since it is larger than the sum of its proper divisors (75925351).

224842809 is a wasteful number, since it uses less digits than its factorization.

224842809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244439.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 224842809 is about 14994.7593845317. The cubic root of 224842809 is about 608.0785269433.

The spelling of 224842809 in words is "two hundred twenty-four million, eight hundred forty-two thousand, eight hundred nine".