225756705 has 8 divisors (see below), whose sum is σ = 361210752. Its totient is φ = 120403568.

The previous prime is 225756697. The next prime is 225756743. The reversal of 225756705 is 507657522.

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 225756705 - 2³ = 225756697 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7525209 + ... + 7525238.

It is an arithmetic number, because the mean of its divisors is an integer number (45151344).

Almost surely, 2^225756705 is an apocalyptic number.

It is an amenable number.

225756705 is a deficient number, since it is larger than the sum of its proper divisors (135454047).

225756705 is a wasteful number, since it uses less digits than its factorization.

225756705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15050455.

The product of its (nonzero) digits is 147000, while the sum is 39.

The square root of 225756705 is about 15025.2023280886. The cubic root of 225756705 is about 608.9012784830.

The spelling of 225756705 in words is "two hundred twenty-five million, seven hundred fifty-six thousand, seven hundred five".