204243015222 has 24 divisors (see below), whose sum is σ = 456801583680. Its totient is φ = 65884843440.

The previous prime is 204243015203. The next prime is 204243015233. The reversal of 204243015222 is 222510342402.

204243015222 is a `hidden beast` number, since 2 + 0 + 4 + 2 + 430 + 1 + 5 + 222 = 666.

It is a congruent 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, 183012897 + ... + 183014012.

It is an arithmetic number, because the mean of its divisors is an integer number (19033399320).

Almost surely, 2^204243015222 is an apocalyptic number.

204243015222 is an abundant number, since it is smaller than the sum of its proper divisors (252558568458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

204243015222 is a wasteful number, since it uses less digits than its factorization.

204243015222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366026948 (or 366026945 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 204243015222 its reverse (222510342402), we get a palindrome (426753357624).

The spelling of 204243015222 in words is "two hundred four billion, two hundred forty-three million, fifteen thousand, two hundred twenty-two".