205669226 has 8 divisors (see below), whose sum is σ = 352575840. Its totient is φ = 88143948.

The previous prime is 205669223. The next prime is 205669237. The reversal of 205669226 is 622966502.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 205669226.

It is not an unprimeable number, because it can be changed into a prime (205669223) by changing a digit.

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, 7345316 + ... + 7345343.

It is an arithmetic number, because the mean of its divisors is an integer number (44071980).

Almost surely, 2^205669226 is an apocalyptic number.

205669226 is a deficient number, since it is larger than the sum of its proper divisors (146906614).

205669226 is a wasteful number, since it uses less digits than its factorization.

205669226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14690668.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 205669226 is about 14341.1724067456. The cubic root of 205669226 is about 590.2777835859.

It can be divided in two parts, 20566 and 9226, that added together give a palindrome (29792).

The spelling of 205669226 in words is "two hundred five million, six hundred sixty-nine thousand, two hundred twenty-six".