22484320 has 24 divisors (see below), whose sum is σ = 53119584. Its totient is φ = 8993664.

The previous prime is 22484311. The next prime is 22484327. The reversal of 22484320 is 2348422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22484327) 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 3 ways as a sum of consecutive naturals, for example, 70104 + ... + 70423.

It is an arithmetic number, because the mean of its divisors is an integer number (2213316).

Almost surely, 2^22484320 is an apocalyptic number.

22484320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22484320 is an abundant number, since it is smaller than the sum of its proper divisors (30635264).

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

22484320 is a wasteful number, since it uses less digits than its factorization.

22484320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140542 (or 140534 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 22484320 is about 4741.7633850710. The cubic root of 22484320 is about 282.2452136692.

The spelling of 22484320 in words is "twenty-two million, four hundred eighty-four thousand, three hundred twenty".