204243222 has 16 divisors (see below), whose sum is σ = 418450032. Its totient is φ = 66420480.

The previous prime is 204243199. The next prime is 204243227. The reversal of 204243222 is 222342402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204243227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414883 + ... + 415374.

It is an arithmetic number, because the mean of its divisors is an integer number (26153127).

Almost surely, 2^204243222 is an apocalyptic number.

204243222 is an abundant number, since it is smaller than the sum of its proper divisors (214206810).

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

204243222 is a wasteful number, since it uses less digits than its factorization.

204243222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830303.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 204243222 is about 14291.3687937860. The cubic root of 204243222 is about 588.9103915226.

Adding to 204243222 its reverse (222342402), we get a palindrome (426585624).

The spelling of 204243222 in words is "two hundred four million, two hundred forty-three thousand, two hundred twenty-two".