225540316 has 24 divisors (see below), whose sum is σ = 401425920. Its totient is φ = 110863872.

The previous prime is 225540311. The next prime is 225540331. The reversal of 225540316 is 613045522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225540311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55440 + ... + 59368.

It is an arithmetic number, because the mean of its divisors is an integer number (16726080).

Almost surely, 2^225540316 is an apocalyptic number.

It is an amenable number.

225540316 is a deficient number, since it is larger than the sum of its proper divisors (175885604).

225540316 is a wasteful number, since it uses less digits than its factorization.

225540316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4173 (or 4171 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 225540316 is about 15017.9997336529. Note that the first 3 decimals coincide. The cubic root of 225540316 is about 608.7066712566.

Adding to 225540316 its reverse (613045522), we get a palindrome (838585838).

The spelling of 225540316 in words is "two hundred twenty-five million, five hundred forty thousand, three hundred sixteen".