225247765 has 8 divisors (see below), whose sum is σ = 270391680. Its totient is φ = 180135312.

The previous prime is 225247703. The next prime is 225247777. The reversal of 225247765 is 567742522.

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 225247765 - 2¹¹ = 225245717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12856 + ... + 24814.

It is an arithmetic number, because the mean of its divisors is an integer number (33798960).

Almost surely, 2^225247765 is an apocalyptic number.

It is an amenable number.

225247765 is a deficient number, since it is larger than the sum of its proper divisors (45143915).

225247765 is a wasteful number, since it uses less digits than its factorization.

225247765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15731.

The product of its digits is 235200, while the sum is 40.

The square root of 225247765 is about 15008.2565609734. The cubic root of 225247765 is about 608.4433705163.

The spelling of 225247765 in words is "two hundred twenty-five million, two hundred forty-seven thousand, seven hundred sixty-five".