204423222 has 8 divisors (see below), whose sum is σ = 408846456. Its totient is φ = 68141072.

The previous prime is 204423221. The next prime is 204423229. The reversal of 204423222 is 222324402.

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

204423222 is an admirable number.

It is a super-2 number, since 2×204423222² = 83577707385722568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204423221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17035263 + ... + 17035274.

It is an arithmetic number, because the mean of its divisors is an integer number (51105807).

Almost surely, 2^204423222 is an apocalyptic number.

204423222 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.

204423222 is a wasteful number, since it uses less digits than its factorization.

204423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34070542.

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

The square root of 204423222 is about 14297.6649142439. The cubic root of 204423222 is about 589.0833433987.

Adding to 204423222 its reverse (222324402), we get a palindrome (426747624).

The spelling of 204423222 in words is "two hundred four million, four hundred twenty-three thousand, two hundred twenty-two".