22404340320 has 96 divisors (see below), whose sum is σ = 70855223040. Its totient is φ = 5950656000.

The previous prime is 22404340297. The next prime is 22404340327. The reversal of 22404340320 is 2304340422.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22404340327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27501 + ... + 213459.

It is an arithmetic number, because the mean of its divisors is an integer number (738075240).

Almost surely, 2^22404340320 is an apocalyptic number.

22404340320 is a gapful number since it is divisible by the number (20) 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 22404340320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35427611520).

22404340320 is an abundant number, since it is smaller than the sum of its proper divisors (48450882720).

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

22404340320 is a wasteful number, since it uses less digits than its factorization.

22404340320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186228 (or 186220 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 22404340320 its reverse (2304340422), we get a palindrome (24708680742).

The spelling of 22404340320 in words is "twenty-two billion, four hundred four million, three hundred forty thousand, three hundred twenty".