225435916 has 12 divisors (see below), whose sum is σ = 394677360. Its totient is φ = 112670960.

The previous prime is 225435913. The next prime is 225435943. The reversal of 225435916 is 619534522.

It is not an unprimeable number, because it can be changed into a prime (225435913) 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, 450 + ... + 21238.

It is an arithmetic number, because the mean of its divisors is an integer number (32889780).

Almost surely, 2^225435916 is an apocalyptic number.

It is an amenable number.

225435916 is a deficient number, since it is larger than the sum of its proper divisors (169241444).

225435916 is a wasteful number, since it uses less digits than its factorization.

225435916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23504 (or 23502 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

The square root of 225435916 is about 15014.5235022627. The cubic root of 225435916 is about 608.6127356719.

The spelling of 225435916 in words is "two hundred twenty-five million, four hundred thirty-five thousand, nine hundred sixteen".