22332416 has 44 divisors (see below), whose sum is σ = 45271452. Its totient is φ = 11010048.

The previous prime is 22332389. The next prime is 22332419. The reversal of 22332416 is 61423322.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 20070400 = 1504^2 + 4480^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22332391 and 22332400.

It is not an unprimeable number, because it can be changed into a prime (22332419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115616 + ... + 115808.

Almost surely, 2^22332416 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 22332416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22635726).

22332416 is an abundant number, since it is smaller than the sum of its proper divisors (22939036).

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

22332416 is a wasteful number, since it uses less digits than its factorization.

22332416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 308 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 22332416 is about 4725.7185696992. The cubic root of 22332416 is about 281.6081609205.

Adding to 22332416 its reverse (61423322), we get a palindrome (83755738).

The spelling of 22332416 in words is "twenty-two million, three hundred thirty-two thousand, four hundred sixteen".