205204226 has 4 divisors (see below), whose sum is σ = 307806342. Its totient is φ = 102602112.

The previous prime is 205204211. The next prime is 205204243. The reversal of 205204226 is 622402502.

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

It can be written as a sum of positive squares in only one way, i.e., 151167025 + 54037201 = 12295^2 + 7351^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51301055 + ... + 51301058.

Almost surely, 2^205204226 is an apocalyptic number.

205204226 is a deficient number, since it is larger than the sum of its proper divisors (102602116).

205204226 is a wasteful number, since it uses less digits than its factorization.

205204226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102602115.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 205204226 is about 14324.9511692012. The cubic root of 205204226 is about 589.8325925500.

Adding to 205204226 its reverse (622402502), we get a palindrome (827606728).

The spelling of 205204226 in words is "two hundred five million, two hundred four thousand, two hundred twenty-six".