205146022 has 4 divisors (see below), whose sum is σ = 307719036. Its totient is φ = 102573010.

The previous prime is 205146013. The next prime is 205146043. The reversal of 205146022 is 220641502.

205146022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 205145984 and 205146002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51286504 + ... + 51286507.

It is an arithmetic number, because the mean of its divisors is an integer number (76929759).

Almost surely, 2^205146022 is an apocalyptic number.

205146022 is a deficient number, since it is larger than the sum of its proper divisors (102573014).

205146022 is a wasteful number, since it uses less digits than its factorization.

205146022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102573013.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 205146022 is about 14322.9194649694. The cubic root of 205146022 is about 589.7768206925.

Adding to 205146022 its reverse (220641502), we get a palindrome (425787524).

The spelling of 205146022 in words is "two hundred five million, one hundred forty-six thousand, twenty-two".