224838909 has 20 divisors (see below), whose sum is σ = 337282176. Its totient is φ = 149879484.

The previous prime is 224838883. The next prime is 224838917. The reversal of 224838909 is 909838422.

It is not a de Polignac number, because 224838909 - 2²³ = 216450301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224838979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13972 + ... + 25394.

Almost surely, 2^224838909 is an apocalyptic number.

It is an amenable number.

224838909 is a deficient number, since it is larger than the sum of its proper divisors (112443267).

224838909 is an frugal number, since it uses more digits than its factorization.

224838909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450 (or 11426 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 224838909 is about 14994.6293385332. The cubic root of 224838909 is about 608.0750111241.

The spelling of 224838909 in words is "two hundred twenty-four million, eight hundred thirty-eight thousand, nine hundred nine".