225540344 has 16 divisors (see below), whose sum is σ = 433203120. Its totient is φ = 110019520.

The previous prime is 225540331. The next prime is 225540349. The reversal of 225540344 is 443045522.

225540344 is digitally balanced in base 3, 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 (225540349) 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, 343484 + ... + 344139.

It is an arithmetic number, because the mean of its divisors is an integer number (27075195).

Almost surely, 2^225540344 is an apocalyptic number.

It is an amenable number.

225540344 is a deficient number, since it is larger than the sum of its proper divisors (207662776).

225540344 is a wasteful number, since it uses less digits than its factorization.

225540344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687670 (or 687666 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 225540344 is about 15018.0006658676. Note that the first 3 decimals coincide. The cubic root of 225540344 is about 608.7066964462.

Adding to 225540344 its reverse (443045522), we get a palindrome (668585866).

The spelling of 225540344 in words is "two hundred twenty-five million, five hundred forty thousand, three hundred forty-four".