225481224 has 16 divisors (see below), whose sum is σ = 563703120. Its totient is φ = 75160400.

The previous prime is 225481169. The next prime is 225481271. The reversal of 225481224 is 422184522.

225481224 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225481191 and 225481200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4697502 + ... + 4697549.

It is an arithmetic number, because the mean of its divisors is an integer number (35231445).

Almost surely, 2^225481224 is an apocalyptic number.

225481224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

225481224 is an abundant number, since it is smaller than the sum of its proper divisors (338221896).

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

225481224 is a wasteful number, since it uses less digits than its factorization.

225481224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9395060 (or 9395056 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 225481224 is about 15016.0322322510. The cubic root of 225481224 is about 608.6535058372.

The spelling of 225481224 in words is "two hundred twenty-five million, four hundred eighty-one thousand, two hundred twenty-four".