206887422 has 32 divisors (see below), whose sum is σ = 474619392. Its totient is φ = 58893984.

The previous prime is 206887403. The next prime is 206887423. The reversal of 206887422 is 224788602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206887423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2743 + ... + 20525.

It is an arithmetic number, because the mean of its divisors is an integer number (14831856).

Almost surely, 2^206887422 is an apocalyptic number.

206887422 is an abundant number, since it is smaller than the sum of its proper divisors (267731970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206887422 is a wasteful number, since it uses less digits than its factorization.

206887422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18072.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 206887422 is about 14383.5816819039. The cubic root of 206887422 is about 591.4409116991.

The spelling of 206887422 in words is "two hundred six million, eight hundred eighty-seven thousand, four hundred twenty-two".