204188422 has 8 divisors (see below), whose sum is σ = 314560656. Its totient is φ = 99334872.

The previous prime is 204188419. The next prime is 204188423. The reversal of 204188422 is 224881402.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204188423) 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 3 ways as a sum of consecutive naturals, for example, 1379578 + ... + 1379725.

It is an arithmetic number, because the mean of its divisors is an integer number (39320082).

Almost surely, 2^204188422 is an apocalyptic number.

204188422 is a deficient number, since it is larger than the sum of its proper divisors (110372234).

204188422 is a wasteful number, since it uses less digits than its factorization.

204188422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759342.

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 204188422 is about 14289.4514240400. The cubic root of 204188422 is about 588.8577171085.

The spelling of 204188422 in words is "two hundred four million, one hundred eighty-eight thousand, four hundred twenty-two".