11132238 has 48 divisors (see below), whose sum is σ = 24985296. Its totient is φ = 3285120.

The previous prime is 11132221. The next prime is 11132239. The reversal of 11132238 is 83223111.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11132239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 188653 + ... + 188711.

It is an arithmetic number, because the mean of its divisors is an integer number (520527).

Almost surely, 2^11132238 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11132238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12492648).

11132238 is an abundant number, since it is smaller than the sum of its proper divisors (13853058).

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

11132238 is a wasteful number, since it uses less digits than its factorization.

11132238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 118 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 11132238 is about 3336.5008616813. The cubic root of 11132238 is about 223.2856575047.

Adding to 11132238 its reverse (83223111), we get a palindrome (94355349).

The spelling of 11132238 in words is "eleven million, one hundred thirty-two thousand, two hundred thirty-eight".