22816332 has 72 divisors (see below), whose sum is σ = 71914752. Its totient is φ = 5925600.

The previous prime is 22816319. The next prime is 22816337. The reversal of 22816332 is 23361822.

22816332 is a `hidden beast` number, since 2 + 28 + 1 + 633 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 22816296 and 22816305.

It is not an unprimeable number, because it can be changed into a prime (22816337) 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 23 ways as a sum of consecutive naturals, for example, 1344 + ... + 6887.

It is an arithmetic number, because the mean of its divisors is an integer number (998816).

Almost surely, 2^22816332 is an apocalyptic number.

22816332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22816332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35957376).

22816332 is an abundant number, since it is smaller than the sum of its proper divisors (49098420).

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

22816332 is a wasteful number, since it uses less digits than its factorization.

22816332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8259 (or 8254 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 22816332 is about 4776.6444288852. The cubic root of 22816332 is about 283.6276778091.

Subtracting 22816332 from its reverse (23361822), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 22816332 in words is "twenty-two million, eight hundred sixteen thousand, three hundred thirty-two".