205232122 has 16 divisors (see below), whose sum is σ = 312952320. Its totient is φ = 100919808.

The previous prime is 205232117. The next prime is 205232123. The reversal of 205232122 is 221232502.

It is a self number, because there is not a number n which added to its sum of digits gives 205232122.

It is not an unprimeable number, because it can be changed into a prime (205232123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144954 + ... + 146362.

It is an arithmetic number, because the mean of its divisors is an integer number (19559520).

Almost surely, 2^205232122 is an apocalyptic number.

205232122 is a deficient number, since it is larger than the sum of its proper divisors (107720198).

205232122 is a wasteful number, since it uses less digits than its factorization.

205232122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 205232122 is about 14325.9248218047. The cubic root of 205232122 is about 589.8593191349.

Adding to 205232122 its reverse (221232502), we get a palindrome (426464624).

The spelling of 205232122 in words is "two hundred five million, two hundred thirty-two thousand, one hundred twenty-two".