22400042240424 has 32 divisors (see below), whose sum is σ = 56000325597120. Its totient is φ = 7466651414016.

The previous prime is 22400042240423. The next prime is 22400042240491. The reversal of 22400042240424 is 42404224000422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22400042240391 and 22400042240400.

It is not an unprimeable number, because it can be changed into a prime (22400042240423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4909272 + ... + 8300664.

It is an arithmetic number, because the mean of its divisors is an integer number (1750010174910).

Almost surely, 2^{22400042240424} is an apocalyptic number.

22400042240424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22400042240424 is an abundant number, since it is smaller than the sum of its proper divisors (33600283356696).

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

22400042240424 is a wasteful number, since it uses less digits than its factorization.

22400042240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666609 (or 3666605 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 22400042240424 its reverse (42404224000422), we get a palindrome (64804266240846).

The spelling of 22400042240424 in words is "twenty-two trillion, four hundred billion, forty-two million, two hundred forty thousand, four hundred twenty-four".