162232021 has 16 divisors (see below), whose sum is σ = 192199680. Its totient is φ = 134000640.

The previous prime is 162232019. The next prime is 162232027. The reversal of 162232021 is 120232261.

It is a cyclic number.

It is not a de Polignac number, because 162232021 - 2¹ = 162232019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 162232021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162232027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54315 + ... + 57223.

It is an arithmetic number, because the mean of its divisors is an integer number (12012480).

Almost surely, 2^162232021 is an apocalyptic number.

It is an amenable number.

162232021 is a deficient number, since it is larger than the sum of its proper divisors (29967659).

162232021 is a wasteful number, since it uses less digits than its factorization.

162232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3204.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 162232021 is about 12737.0334458225. The cubic root of 162232021 is about 545.3963068721.

Adding to 162232021 its reverse (120232261), we get a palindrome (282464282).

The spelling of 162232021 in words is "one hundred sixty-two million, two hundred thirty-two thousand, twenty-one".