204522222 has 16 divisors (see below), whose sum is σ = 409305600. Its totient is φ = 68130552.

The previous prime is 204522211. The next prime is 204522229. The reversal of 204522222 is 222225402.

204522222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204522229) by changing a digit.

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, 163 + ... + 20225.

It is an arithmetic number, because the mean of its divisors is an integer number (25581600).

Almost surely, 2^204522222 is an apocalyptic number.

204522222 is an abundant number, since it is smaller than the sum of its proper divisors (204783378).

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

204522222 is a wasteful number, since it uses less digits than its factorization.

204522222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21767.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 204522222 is about 14301.1265989781. The cubic root of 204522222 is about 589.1784236583.

Adding to 204522222 its reverse (222225402), we get a palindrome (426747624).

The spelling of 204522222 in words is "two hundred four million, five hundred twenty-two thousand, two hundred twenty-two".