2162238 has 32 divisors (see below), whose sum is σ = 4905600. Its totient is φ = 629856.

The previous prime is 2162231. The next prime is 2162239. The reversal of 2162238 is 8322612.

It is a zygodrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2162231) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 753 + ... + 2211.

It is an arithmetic number, because the mean of its divisors is an integer number (153300).

2^2162238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2162238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2452800).

2162238 is an abundant number, since it is smaller than the sum of its proper divisors (2743362).

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

2162238 is a wasteful number, since it uses less digits than its factorization.

2162238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496.

The product of its digits is 1152, while the sum is 24.

The square root of 2162238 is about 1470.4550316144. The cubic root of 2162238 is about 129.3107106662.

The spelling of 2162238 in words is "two million, one hundred sixty-two thousand, two hundred thirty-eight".