225909716 has 24 divisors (see below), whose sum is σ = 407107680. Its totient is φ = 109609632.

The previous prime is 225909709. The next prime is 225909737. The reversal of 225909716 is 617909522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60191 + ... + 63833.

It is an arithmetic number, because the mean of its divisors is an integer number (16962820).

Almost surely, 2^225909716 is an apocalyptic number.

It is an amenable number.

225909716 is a deficient number, since it is larger than the sum of its proper divisors (181197964).

225909716 is a wasteful number, since it uses less digits than its factorization.

225909716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4101 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 225909716 is about 15030.2932772451. The cubic root of 225909716 is about 609.0388123124.

The spelling of 225909716 in words is "two hundred twenty-five million, nine hundred nine thousand, seven hundred sixteen".