204422121433 has 4 divisors (see below), whose sum is σ = 208771528320. Its totient is φ = 200072714548.

The previous prime is 204422121419. The next prime is 204422121451. The reversal of 204422121433 is 334121224402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204422121433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204422121493) 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, 2174703373 + ... + 2174703466.

It is an arithmetic number, because the mean of its divisors is an integer number (52192882080).

Almost surely, 2^204422121433 is an apocalyptic number.

It is an amenable number.

204422121433 is a deficient number, since it is larger than the sum of its proper divisors (4349406887).

204422121433 is an equidigital number, since it uses as much as digits as its factorization.

204422121433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4349406886.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 204422121433 its reverse (334121224402), we get a palindrome (538543345835).

The spelling of 204422121433 in words is "two hundred four billion, four hundred twenty-two million, one hundred twenty-one thousand, four hundred thirty-three".