204643051222 has 8 divisors (see below), whose sum is σ = 307127948400. Its totient is φ = 102267068424.

The previous prime is 204643051201. The next prime is 204643051229. The reversal of 204643051222 is 222150346402.

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 (204643051229) 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, 27223897 + ... + 27231412.

It is an arithmetic number, because the mean of its divisors is an integer number (38390993550).

Almost surely, 2^204643051222 is an apocalyptic number.

204643051222 is a deficient number, since it is larger than the sum of its proper divisors (102484897178).

204643051222 is a wasteful number, since it uses less digits than its factorization.

204643051222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54457190.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 204643051222 its reverse (222150346402), we get a palindrome (426793397624).

The spelling of 204643051222 in words is "two hundred four billion, six hundred forty-three million, fifty-one thousand, two hundred twenty-two".