22120332 has 96 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 6054912.

The previous prime is 22120331. The next prime is 22120337. The reversal of 22120332 is 23302122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120331) 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 31 ways as a sum of consecutive naturals, for example, 50169 + ... + 50607.

It is an arithmetic number, because the mean of its divisors is an integer number (646800).

Almost surely, 2^22120332 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 22120332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31046400).

22120332 is an abundant number, since it is smaller than the sum of its proper divisors (39972468).

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

22120332 is a wasteful number, since it uses less digits than its factorization.

22120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 22120332 is about 4703.2257015797. The cubic root of 22120332 is about 280.7138756662.

Adding to 22120332 its reverse (23302122), we get a palindrome (45422454).

The spelling of 22120332 in words is "twenty-two million, one hundred twenty thousand, three hundred thirty-two".