225715544 has 16 divisors (see below), whose sum is σ = 423381600. Its totient is φ = 112813792.

The previous prime is 225715531. The next prime is 225715547. The reversal of 225715544 is 445517522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225715547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29174 + ... + 36090.

It is an arithmetic number, because the mean of its divisors is an integer number (26461350).

Almost surely, 2^225715544 is an apocalyptic number.

It is an amenable number.

225715544 is a deficient number, since it is larger than the sum of its proper divisors (197666056).

225715544 is a wasteful number, since it uses less digits than its factorization.

225715544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11002 (or 10998 counting only the distinct ones).

The product of its digits is 56000, while the sum is 35.

The square root of 225715544 is about 15023.8325336779. The cubic root of 225715544 is about 608.8642703405.

The spelling of 225715544 in words is "two hundred twenty-five million, seven hundred fifteen thousand, five hundred forty-four".