225574086687 has 4 divisors (see below), whose sum is σ = 300765448920. Its totient is φ = 150382724456.

The previous prime is 225574086653. The next prime is 225574086769. The reversal of 225574086687 is 786680475522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225574086687 - 2³¹ = 223426603039 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225574086687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225574086587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37595681112 + ... + 37595681117.

It is an arithmetic number, because the mean of its divisors is an integer number (75191362230).

Almost surely, 2^225574086687 is an apocalyptic number.

225574086687 is a deficient number, since it is larger than the sum of its proper divisors (75191362233).

225574086687 is an equidigital number, since it uses as much as digits as its factorization.

225574086687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75191362232.

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 225574086687 in words is "two hundred twenty-five billion, five hundred seventy-four million, eighty-six thousand, six hundred eighty-seven".