206704227 has 4 divisors (see below), whose sum is σ = 275605640. Its totient is φ = 137802816.

The previous prime is 206704219. The next prime is 206704229. The reversal of 206704227 is 722407602.

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

It is not a de Polignac number, because 206704227 - 2³ = 206704219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 206704194 and 206704203.

It is not an unprimeable number, because it can be changed into a prime (206704229) 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, 34450702 + ... + 34450707.

It is an arithmetic number, because the mean of its divisors is an integer number (68901410).

Almost surely, 2^206704227 is an apocalyptic number.

206704227 is a deficient number, since it is larger than the sum of its proper divisors (68901413).

206704227 is an equidigital number, since it uses as much as digits as its factorization.

206704227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68901412.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 206704227 is about 14377.2120732776. The cubic root of 206704227 is about 591.2662901378.

The spelling of 206704227 in words is "two hundred six million, seven hundred four thousand, two hundred twenty-seven".