225396824 has 16 divisors (see below), whose sum is σ = 422887920. Its totient is φ = 112626720.

The previous prime is 225396823. The next prime is 225396869. The reversal of 225396824 is 428693522.

225396824 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225396823) 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, 5837 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (26430495).

Almost surely, 2^225396824 is an apocalyptic number.

It is an amenable number.

225396824 is a deficient number, since it is larger than the sum of its proper divisors (197491096).

225396824 is a wasteful number, since it uses less digits than its factorization.

225396824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17930 (or 17926 counting only the distinct ones).

The product of its digits is 207360, while the sum is 41.

The square root of 225396824 is about 15013.2216396082. The cubic root of 225396824 is about 608.5775545514.

The spelling of 225396824 in words is "two hundred twenty-five million, three hundred ninety-six thousand, eight hundred twenty-four".