205022234 has 8 divisors (see below), whose sum is σ = 309095028. Its totient is φ = 101990560.

The previous prime is 205022197. The next prime is 205022243. The reversal of 205022234 is 432220502.

It can be written as a sum of positive squares in 2 ways, for example, as 192793225 + 12229009 = 13885^2 + 3497^2 .

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

It is a Curzon number.

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, 259787 + ... + 260574.

Almost surely, 2^205022234 is an apocalyptic number.

205022234 is a deficient number, since it is larger than the sum of its proper divisors (104072794).

205022234 is a wasteful number, since it uses less digits than its factorization.

205022234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520560.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 205022234 is about 14318.5974871843. The cubic root of 205022234 is about 589.6581702765.

Adding to 205022234 its reverse (432220502), we get a palindrome (637242736).

The spelling of 205022234 in words is "two hundred five million, twenty-two thousand, two hundred thirty-four".