204222201 has 8 divisors (see below), whose sum is σ = 274284384. Its totient is φ = 135154080.

The previous prime is 204222181. The next prime is 204222209. The reversal of 204222201 is 102222402.

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-204222201 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (204222209) 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, 248035 + ... + 248856.

It is an arithmetic number, because the mean of its divisors is an integer number (34285548).

Almost surely, 2^204222201 is an apocalyptic number.

It is an amenable number.

204222201 is a deficient number, since it is larger than the sum of its proper divisors (70062183).

204222201 is a wasteful number, since it uses less digits than its factorization.

204222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497031.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 204222201 is about 14290.6333309619. The cubic root of 204222201 is about 588.8901870006.

Adding to 204222201 its reverse (102222402), we get a palindrome (306444603).

The spelling of 204222201 in words is "two hundred four million, two hundred twenty-two thousand, two hundred one".