22232032 has 48 divisors (see below), whose sum is σ = 45505152. Its totient is φ = 10684800.

The previous prime is 22232029. The next prime is 22232051. The reversal of 22232032 is 23023222.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 22231997 and 22232015.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 147157 + ... + 147307.

It is an arithmetic number, because the mean of its divisors is an integer number (948024).

Almost surely, 2^22232032 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 22232032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22752576).

22232032 is an abundant number, since it is smaller than the sum of its proper divisors (23273120).

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

22232032 is a wasteful number, since it uses less digits than its factorization.

22232032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22232032 is about 4715.0855771661. The cubic root of 22232032 is about 281.1855851165.

Adding to 22232032 its reverse (23023222), we get a palindrome (45255254).

The spelling of 22232032 in words is "twenty-two million, two hundred thirty-two thousand, thirty-two".