225307236 has 48 divisors (see below), whose sum is σ = 655441920. Its totient is φ = 58521120.

The previous prime is 225307223. The next prime is 225307267. The reversal of 225307236 is 632703522.

225307236 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120996 + ... + 122843.

It is an arithmetic number, because the mean of its divisors is an integer number (13655040).

Almost surely, 2^225307236 is an apocalyptic number.

It is an amenable number.

225307236 is an abundant number, since it is smaller than the sum of its proper divisors (430134684).

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

225307236 is a wasteful number, since it uses less digits than its factorization.

225307236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243864 (or 243862 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 30.

The square root of 225307236 is about 15010.2377063123. The cubic root of 225307236 is about 608.4969138543.

The spelling of 225307236 in words is "two hundred twenty-five million, three hundred seven thousand, two hundred thirty-six".