165122232 has 64 divisors (see below), whose sum is σ = 452390400. Its totient is φ = 49808640.

The previous prime is 165122219. The next prime is 165122239. The reversal of 165122232 is 232221561.

165122232 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 61788 + ... + 64404.

It is an arithmetic number, because the mean of its divisors is an integer number (7068600).

Almost surely, 2^165122232 is an apocalyptic number.

165122232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 165122232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226195200).

165122232 is an abundant number, since it is smaller than the sum of its proper divisors (287268168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165122232 is a wasteful number, since it uses less digits than its factorization.

165122232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876 (or 2872 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 165122232 is about 12849.9895719802. The cubic root of 165122232 is about 548.6160599693.

Adding to 165122232 its reverse (232221561), we get a palindrome (397343793).

The spelling of 165122232 in words is "one hundred sixty-five million, one hundred twenty-two thousand, two hundred thirty-two".