22232328 has 64 divisors (see below), whose sum is σ = 60912000. Its totient is φ = 6730752.

The previous prime is 22232323. The next prime is 22232341. The reversal of 22232328 is 82323222.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22232298 and 22232307.

It is not an unprimeable number, because it can be changed into a prime (22232323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10893 + ... + 12771.

It is an arithmetic number, because the mean of its divisors is an integer number (951750).

Almost surely, 2^22232328 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 22232328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30456000).

22232328 is an abundant number, since it is smaller than the sum of its proper divisors (38679672).

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

22232328 is a wasteful number, since it uses less digits than its factorization.

22232328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934 (or 1930 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 22232328 is about 4715.1169656754. The cubic root of 22232328 is about 281.1868330240.

The spelling of 22232328 in words is "twenty-two million, two hundred thirty-two thousand, three hundred twenty-eight".