206611226 has 8 divisors (see below), whose sum is σ = 310182804. Its totient is φ = 103216960.

The previous prime is 206611189. The next prime is 206611247. The reversal of 206611226 is 622116602.

It can be written as a sum of positive squares in 2 ways, for example, as 162588001 + 44023225 = 12751^2 + 6635^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 206611195 and 206611204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41375 + ... + 46098.

Almost surely, 2^206611226 is an apocalyptic number.

206611226 is a deficient number, since it is larger than the sum of its proper divisors (103571578).

206611226 is a wasteful number, since it uses less digits than its factorization.

206611226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88656.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 206611226 is about 14373.9773897137. The cubic root of 206611226 is about 591.1776020545.

Adding to 206611226 its reverse (622116602), we get a palindrome (828727828).

The spelling of 206611226 in words is "two hundred six million, six hundred eleven thousand, two hundred twenty-six".