165029228 has 24 divisors (see below), whose sum is σ = 355448352. Its totient is φ = 65286144.

The previous prime is 165029177. The next prime is 165029273. The reversal of 165029228 is 822920561.

It is a happy number.

165029228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226325 + ... + 227052.

It is an arithmetic number, because the mean of its divisors is an integer number (14810348).

Almost surely, 2^165029228 is an apocalyptic number.

It is an amenable number.

165029228 is an abundant number, since it is smaller than the sum of its proper divisors (190419124).

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

165029228 is a wasteful number, since it uses less digits than its factorization.

165029228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453401 (or 453399 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 165029228 is about 12846.3702266438. The cubic root of 165029228 is about 548.5130391748.

Adding to 165029228 its reverse (822920561), we get a palindrome (987949789).

The spelling of 165029228 in words is "one hundred sixty-five million, twenty-nine thousand, two hundred twenty-eight".