204223115 has 12 divisors (see below), whose sum is σ = 258647184. Its totient is φ = 154778256.

The previous prime is 204223079. The next prime is 204223127. The reversal of 204223115 is 511322402.

It is not a de Polignac number, because 204223115 - 2⁸ = 204222859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54767 + ... + 58376.

It is an arithmetic number, because the mean of its divisors is an integer number (21553932).

Almost surely, 2^204223115 is an apocalyptic number.

204223115 is a deficient number, since it is larger than the sum of its proper divisors (54424069).

204223115 is a wasteful number, since it uses less digits than its factorization.

204223115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113186 (or 113167 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 204223115 is about 14290.6653099147. The cubic root of 204223115 is about 588.8910655287.

Adding to 204223115 its reverse (511322402), we get a palindrome (715545517).

The spelling of 204223115 in words is "two hundred four million, two hundred twenty-three thousand, one hundred fifteen".