22141232 has 40 divisors (see below), whose sum is σ = 45525360. Its totient is φ = 10402560.

The previous prime is 22141211. The next prime is 22141241. The reversal of 22141232 is 23214122.

It is a self number, because there is not a number n which added to its sum of digits gives 22141232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52382 + ... + 52802.

It is an arithmetic number, because the mean of its divisors is an integer number (1138134).

Almost surely, 2^22141232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22141232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22762680).

22141232 is an abundant number, since it is smaller than the sum of its proper divisors (23384128).

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

22141232 is a wasteful number, since it uses less digits than its factorization.

22141232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621 (or 615 counting only the distinct ones).

The product of its digits is 192, while the sum is 17.

The square root of 22141232 is about 4705.4470563380. The cubic root of 22141232 is about 280.8022569982.

Adding to 22141232 its reverse (23214122), we get a palindrome (45355354).

The spelling of 22141232 in words is "twenty-two million, one hundred forty-one thousand, two hundred thirty-two".