165122234 has 8 divisors (see below), whose sum is σ = 250466580. Its totient is φ = 81633376.

The previous prime is 165122219. The next prime is 165122239. The reversal of 165122234 is 432221561.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 159946609 + 5175625 = 12647^2 + 2275^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×165122234² = 54530704322301512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (165122239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 463649 + ... + 464004.

Almost surely, 2^165122234 is an apocalyptic number.

165122234 is a deficient number, since it is larger than the sum of its proper divisors (85344346).

165122234 is an equidigital number, since it uses as much as digits as its factorization.

165122234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927744.

The product of its digits is 2880, while the sum is 26.

The square root of 165122234 is about 12849.9896498013. The cubic root of 165122234 is about 548.6160621843.

Adding to 165122234 its reverse (432221561), we get a palindrome (597343795).

The spelling of 165122234 in words is "one hundred sixty-five million, one hundred twenty-two thousand, two hundred thirty-four".