204228071 has 4 divisors (see below), whose sum is σ = 204671544. Its totient is φ = 203784600.

The previous prime is 204228067. The next prime is 204228077. The reversal of 204228071 is 170822402.

204228071 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204228071 - 2² = 204228067 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204228071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204228077) 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, 221045 + ... + 221966.

It is an arithmetic number, because the mean of its divisors is an integer number (51167886).

Almost surely, 2^204228071 is an apocalyptic number.

204228071 is a deficient number, since it is larger than the sum of its proper divisors (443473).

204228071 is an equidigital number, since it uses as much as digits as its factorization.

204228071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443472.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 204228071 is about 14290.8387087672. The cubic root of 204228071 is about 588.8958291431.

The spelling of 204228071 in words is "two hundred four million, two hundred twenty-eight thousand, seventy-one".