225717347 has 8 divisors (see below), whose sum is σ = 240464016. Its totient is φ = 211133952.

The previous prime is 225717343. The next prime is 225717361. The reversal of 225717347 is 743717522.

225717347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225717347 - 2² = 225717343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225717347.

It is not an unprimeable number, because it can be changed into a prime (225717343) 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, 37958 + ... + 43499.

It is an arithmetic number, because the mean of its divisors is an integer number (30058002).

Almost surely, 2^225717347 is an apocalyptic number.

225717347 is a deficient number, since it is larger than the sum of its proper divisors (14746669).

225717347 is a wasteful number, since it uses less digits than its factorization.

225717347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81637.

The product of its digits is 82320, while the sum is 38.

The square root of 225717347 is about 15023.8925382206. The cubic root of 225717347 is about 608.8658915247.

The spelling of 225717347 in words is "two hundred twenty-five million, seven hundred seventeen thousand, three hundred forty-seven".