225684309205 has 8 divisors (see below), whose sum is σ = 270828288000. Its totient is φ = 180542702736.

The previous prime is 225684309181. The next prime is 225684309247. The reversal of 225684309205 is 502903486522.

225684309205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 225684309205 - 2⁵ = 225684309173 is a prime.

It is a congruent number.

It is an unprimeable number.

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, 376605 + ... + 770194.

It is an arithmetic number, because the mean of its divisors is an integer number (33853536000).

Almost surely, 2^225684309205 is an apocalyptic number.

It is an amenable number.

225684309205 is a deficient number, since it is larger than the sum of its proper divisors (45143978795).

225684309205 is a wasteful number, since it uses less digits than its factorization.

225684309205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1186163.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 225684309205 in words is "two hundred twenty-five billion, six hundred eighty-four million, three hundred nine thousand, two hundred five".