225536717 has 8 divisors (see below), whose sum is σ = 258827712. Its totient is φ = 192513600.

The previous prime is 225536711. The next prime is 225536747. The reversal of 225536717 is 717635522.

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 225536717 - 2⁶ = 225536653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225536711) 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, 65159 + ... + 68532.

It is an arithmetic number, because the mean of its divisors is an integer number (32353464).

Almost surely, 2^225536717 is an apocalyptic number.

It is an amenable number.

225536717 is a deficient number, since it is larger than the sum of its proper divisors (33290995).

225536717 is a wasteful number, since it uses less digits than its factorization.

225536717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133939.

The product of its digits is 88200, while the sum is 38.

The square root of 225536717 is about 15017.8799102936. The cubic root of 225536717 is about 608.7034334808.

The spelling of 225536717 in words is "two hundred twenty-five million, five hundred thirty-six thousand, seven hundred seventeen".