204225231215 has 8 divisors (see below), whose sum is σ = 259486176240. Its totient is φ = 153769585792.

The previous prime is 204225231187. The next prime is 204225231251. The reversal of 204225231215 is 512132522402.

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 204225231215 - 2¹⁶ = 204225165679 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1201324805 + ... + 1201324974.

It is an arithmetic number, because the mean of its divisors is an integer number (32435772030).

Almost surely, 2^204225231215 is an apocalyptic number.

204225231215 is a deficient number, since it is larger than the sum of its proper divisors (55260945025).

204225231215 is a wasteful number, since it uses less digits than its factorization.

204225231215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2402649801.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 204225231215 its reverse (512132522402), we get a palindrome (716357753617).

The spelling of 204225231215 in words is "two hundred four billion, two hundred twenty-five million, two hundred thirty-one thousand, two hundred fifteen".