204414221 has 8 divisors (see below), whose sum is σ = 225504000. Its totient is φ = 183742240.

The previous prime is 204414209. The next prime is 204414263. The reversal of 204414221 is 122414402.

204414221 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 de Polignac number, because none of the positive numbers 2^k-204414221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204414193 and 204414202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204414281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103421 + ... + 105378.

It is an arithmetic number, because the mean of its divisors is an integer number (28188000).

Almost surely, 2^204414221 is an apocalyptic number.

It is an amenable number.

204414221 is a deficient number, since it is larger than the sum of its proper divisors (21089779).

204414221 is a wasteful number, since it uses less digits than its factorization.

204414221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208899.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 204414221 is about 14297.3501390992. The cubic root of 204414221 is about 589.0746972560.

Adding to 204414221 its reverse (122414402), we get a palindrome (326828623).

The spelling of 204414221 in words is "two hundred four million, four hundred fourteen thousand, two hundred twenty-one".