225397785 has 8 divisors (see below), whose sum is σ = 360636480. Its totient is φ = 120212144.

The previous prime is 225397771. The next prime is 225397819. The reversal of 225397785 is 587793522.

It is a happy number.

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 225397785 - 2⁹ = 225397273 is a prime.

It is a super-2 number, since 2×225397785² = 101608322965812450, which contains 22 as substring.

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, 7513245 + ... + 7513274.

It is an arithmetic number, because the mean of its divisors is an integer number (45079560).

Almost surely, 2^225397785 is an apocalyptic number.

It is an amenable number.

225397785 is a deficient number, since it is larger than the sum of its proper divisors (135238695).

225397785 is a wasteful number, since it uses less digits than its factorization.

225397785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15026527.

The product of its digits is 1058400, while the sum is 48.

The square root of 225397785 is about 15013.2536446967. The cubic root of 225397785 is about 608.5784194588.

The spelling of 225397785 in words is "two hundred twenty-five million, three hundred ninety-seven thousand, seven hundred eighty-five".