225956687 has 8 divisors (see below), whose sum is σ = 246691200. Its totient is φ = 205254360.

The previous prime is 225956663. The next prime is 225956693. The reversal of 225956687 is 786659522.

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 225956687 - 2¹² = 225952591 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 (225956387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8048 + ... + 22730.

It is an arithmetic number, because the mean of its divisors is an integer number (30836400).

Almost surely, 2^225956687 is an apocalyptic number.

225956687 is a deficient number, since it is larger than the sum of its proper divisors (20734513).

225956687 is a wasteful number, since it uses less digits than its factorization.

225956687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16093.

The product of its digits is 1814400, while the sum is 50.

The square root of 225956687 is about 15031.8557403935. The cubic root of 225956687 is about 609.0810197042.

The spelling of 225956687 in words is "two hundred twenty-five million, nine hundred fifty-six thousand, six hundred eighty-seven".