204342222 has 32 divisors (see below), whose sum is σ = 469147392. Its totient is φ = 58123584.

The previous prime is 204342211. The next prime is 204342233. The reversal of 204342222 is 222243402.

It is an interprime number because it is at equal distance from previous prime (204342211) and next prime (204342233).

It is a Harshad number since it is a multiple of its sum of digits (21).

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 15 ways as a sum of consecutive naturals, for example, 1183 + ... + 20250.

It is an arithmetic number, because the mean of its divisors is an integer number (14660856).

Almost surely, 2^204342222 is an apocalyptic number.

204342222 is an abundant number, since it is smaller than the sum of its proper divisors (264805170).

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

204342222 is a wasteful number, since it uses less digits than its factorization.

204342222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21672.

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

The square root of 204342222 is about 14294.8320032101. The cubic root of 204342222 is about 589.0055276235.

Adding to 204342222 its reverse (222243402), we get a palindrome (426585624).

The spelling of 204342222 in words is "two hundred four million, three hundred forty-two thousand, two hundred twenty-two".