22304433400 has 96 divisors (see below), whose sum is σ = 52646184000. Its totient is φ = 8786718720.

The previous prime is 22304433383. The next prime is 22304433401. The reversal of 22304433400 is 433440322.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22304433401) 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 23 ways as a sum of consecutive naturals, for example, 7219056 + ... + 7222144.

It is an arithmetic number, because the mean of its divisors is an integer number (548397750).

Almost surely, 2^22304433400 is an apocalyptic number.

22304433400 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 22304433400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26323092000).

22304433400 is an abundant number, since it is smaller than the sum of its proper divisors (30341750600).

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

22304433400 is a wasteful number, since it uses less digits than its factorization.

22304433400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3641 (or 3632 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22304433400 its reverse (433440322), we get a palindrome (22737873722).

The spelling of 22304433400 in words is "twenty-two billion, three hundred four million, four hundred thirty-three thousand, four hundred".