204411222 has 16 divisors (see below), whose sum is σ = 454247280. Its totient is φ = 68137056.

The previous prime is 204411211. The next prime is 204411257. The reversal of 204411222 is 222114402.

204411222 is a `hidden beast` number, since 2 + 0 + 441 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 204411195 and 204411204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892643 + ... + 1892750.

It is an arithmetic number, because the mean of its divisors is an integer number (28390455).

Almost surely, 2^204411222 is an apocalyptic number.

204411222 is an abundant number, since it is smaller than the sum of its proper divisors (249836058).

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

204411222 is a wasteful number, since it uses less digits than its factorization.

204411222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785404 (or 3785398 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 204411222 is about 14297.2452591400. The cubic root of 204411222 is about 589.0718164329.

Adding to 204411222 its reverse (222114402), we get a palindrome (426525624).

The spelling of 204411222 in words is "two hundred four million, four hundred eleven thousand, two hundred twenty-two".