204222134 has 8 divisors (see below), whose sum is σ = 307554408. Its totient is φ = 101704000.

The previous prime is 204222131. The next prime is 204222143. The reversal of 204222134 is 431222402.

204222134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204222131) 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, 202907 + ... + 203910.

It is an arithmetic number, because the mean of its divisors is an integer number (38444301).

Almost surely, 2^204222134 is an apocalyptic number.

204222134 is a deficient number, since it is larger than the sum of its proper divisors (103332274).

204222134 is a wasteful number, since it uses less digits than its factorization.

204222134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407070.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204222134 is about 14290.6309867689. The cubic root of 204222134 is about 588.8901226007.

Adding to 204222134 its reverse (431222402), we get a palindrome (635444536).

The spelling of 204222134 in words is "two hundred four million, two hundred twenty-two thousand, one hundred thirty-four".