205236122 has 32 divisors (see below), whose sum is σ = 386975232. Its totient is φ = 79461504.

The previous prime is 205235993. The next prime is 205236133. The reversal of 205236122 is 221632502.

It is a super-3 number, since 3×205236122³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3443 + ... + 20550.

It is an arithmetic number, because the mean of its divisors is an integer number (12092976).

Almost surely, 2^205236122 is an apocalyptic number.

205236122 is a deficient number, since it is larger than the sum of its proper divisors (181739110).

205236122 is a wasteful number, since it uses less digits than its factorization.

205236122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24062.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 205236122 is about 14326.0644281673. The cubic root of 205236122 is about 589.8631512542.

Adding to 205236122 its reverse (221632502), we get a palindrome (426868624).

The spelling of 205236122 in words is "two hundred five million, two hundred thirty-six thousand, one hundred twenty-two".