225909384 has 16 divisors (see below), whose sum is σ = 564773520. Its totient is φ = 75303120.

The previous prime is 225909347. The next prime is 225909389. The reversal of 225909384 is 483909522.

225909384 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225909389) 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, 4706422 + ... + 4706469.

It is an arithmetic number, because the mean of its divisors is an integer number (35298345).

Almost surely, 2^225909384 is an apocalyptic number.

225909384 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225909384 is an abundant number, since it is smaller than the sum of its proper divisors (338864136).

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

225909384 is a wasteful number, since it uses less digits than its factorization.

225909384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9412900 (or 9412896 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 225909384 is about 15030.2822328791. The cubic root of 225909384 is about 609.0385139617.

The spelling of 225909384 in words is "two hundred twenty-five million, nine hundred nine thousand, three hundred eighty-four".