225824838 has 64 divisors (see below), whose sum is σ = 500852160. Its totient is φ = 67571712.

The previous prime is 225824803. The next prime is 225824849. The reversal of 225824838 is 838428522.

225824838 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225824838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199458 + ... + 200586.

It is an arithmetic number, because the mean of its divisors is an integer number (7825815).

Almost surely, 2^225824838 is an apocalyptic number.

225824838 is an abundant number, since it is smaller than the sum of its proper divisors (275027322).

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

225824838 is a wasteful number, since it uses less digits than its factorization.

225824838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241.

The product of its digits is 245760, while the sum is 42.

The square root of 225824838 is about 15027.4694476482. The cubic root of 225824838 is about 608.9625274545.

The spelling of 225824838 in words is "two hundred twenty-five million, eight hundred twenty-four thousand, eight hundred thirty-eight".