225438384 has 40 divisors (see below), whose sum is σ = 591083200. Its totient is φ = 74023488.

The previous prime is 225438361. The next prime is 225438391. The reversal of 225438384 is 483834522.

225438384 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 31834 + ... + 38265.

It is an arithmetic number, because the mean of its divisors is an integer number (14777080).

Almost surely, 2^225438384 is an apocalyptic number.

225438384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225438384 is an abundant number, since it is smaller than the sum of its proper divisors (365644816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225438384 is a wasteful number, since it uses less digits than its factorization.

225438384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70177 (or 70171 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 225438384 is about 15014.6056891282. The cubic root of 225438384 is about 608.6149566294.

The spelling of 225438384 in words is "two hundred twenty-five million, four hundred thirty-eight thousand, three hundred eighty-four".