204228101 has 8 divisors (see below), whose sum is σ = 254622144. Its totient is φ = 159138720.

The previous prime is 204228077. The next prime is 204228103. The reversal of 204228101 is 101822402.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204228101 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204228103) 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, 1326080 + ... + 1326233.

It is an arithmetic number, because the mean of its divisors is an integer number (31827768).

Almost surely, 2^204228101 is an apocalyptic number.

It is an amenable number.

204228101 is a deficient number, since it is larger than the sum of its proper divisors (50394043).

204228101 is a wasteful number, since it uses less digits than its factorization.

204228101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2652331.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 204228101 is about 14290.8397583907. The cubic root of 204228101 is about 588.8958579783.

The spelling of 204228101 in words is "two hundred four million, two hundred twenty-eight thousand, one hundred one".