165204022 has 16 divisors (see below), whose sum is σ = 261752832. Its totient is φ = 78077160.

The previous prime is 165203999. The next prime is 165204077. The reversal of 165204022 is 220402561.

It is a junction number, because it is equal to n+sod(n) for n = 165203984 and 165204002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28318 + ... + 33649.

It is an arithmetic number, because the mean of its divisors is an integer number (16359552).

Almost surely, 2^165204022 is an apocalyptic number.

165204022 is a deficient number, since it is larger than the sum of its proper divisors (96548810).

165204022 is a wasteful number, since it uses less digits than its factorization.

165204022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62043.

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

The square root of 165204022 is about 12853.1716708367. The cubic root of 165204022 is about 548.7066270204.

Adding to 165204022 its reverse (220402561), we get a palindrome (385606583).

The spelling of 165204022 in words is "one hundred sixty-five million, two hundred four thousand, twenty-two".