204102222 has 8 divisors (see below), whose sum is σ = 408204456. Its totient is φ = 68034072.

The previous prime is 204102191. The next prime is 204102257. The reversal of 204102222 is 222201402.

It is a sphenic number, since it is the product of 3 distinct primes.

204102222 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 17008513 + ... + 17008524.

It is an arithmetic number, because the mean of its divisors is an integer number (51025557).

Almost surely, 2^204102222 is an apocalyptic number.

204102222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

204102222 is a wasteful number, since it uses less digits than its factorization.

204102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34017042.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 204102222 is about 14286.4348946824. The cubic root of 204102222 is about 588.7748415643.

Adding to 204102222 its reverse (222201402), we get a palindrome (426303624).

The spelling of 204102222 in words is "two hundred four million, one hundred two thousand, two hundred twenty-two".