205233122 has 4 divisors (see below), whose sum is σ = 307849686. Its totient is φ = 102616560.

The previous prime is 205233121. The next prime is 205233131. The reversal of 205233122 is 221332502.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221332502 = 2 ⋅110666251.

It can be written as a sum of positive squares in only one way, i.e., 203889841 + 1343281 = 14279^2 + 1159^2 .

It is a junction number, because it is equal to n+sod(n) for n = 205233094 and 205233103.

It is not an unprimeable number, because it can be changed into a prime (205233121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51308279 + ... + 51308282.

Almost surely, 2^205233122 is an apocalyptic number.

205233122 is a deficient number, since it is larger than the sum of its proper divisors (102616564).

205233122 is a wasteful number, since it uses less digits than its factorization.

205233122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102616563.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 205233122 is about 14325.9597235229. The cubic root of 205233122 is about 589.8602771694.

Adding to 205233122 its reverse (221332502), we get a palindrome (426565624).

It can be divided in two parts, 205233 and 122, that multiplied together give a triangular number (25038426 = T₇₀₇₆).

The spelling of 205233122 in words is "two hundred five million, two hundred thirty-three thousand, one hundred twenty-two".