225352785 has 32 divisors (see below), whose sum is σ = 412876800. Its totient is φ = 102817728.

The previous prime is 225352759. The next prime is 225352817. The reversal of 225352785 is 587253522.

It is not a de Polignac number, because 225352785 - 2⁵ = 225352753 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61104 + ... + 64686.

It is an arithmetic number, because the mean of its divisors is an integer number (12902400).

Almost surely, 2^225352785 is an apocalyptic number.

It is an amenable number.

225352785 is a deficient number, since it is larger than the sum of its proper divisors (187524015).

225352785 is a wasteful number, since it uses less digits than its factorization.

225352785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4197.

The product of its digits is 168000, while the sum is 39.

The square root of 225352785 is about 15011.7548940822. The cubic root of 225352785 is about 608.5379164705.

The spelling of 225352785 in words is "two hundred twenty-five million, three hundred fifty-two thousand, seven hundred eighty-five".