22420004240424 has 64 divisors (see below), whose sum is σ = 65788429449600. Its totient is φ = 6232588049664.

The previous prime is 22420004240369. The next prime is 22420004240443. The reversal of 22420004240424 is 42404240002422.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22420004240391 and 22420004240400.

It is an unprimeable number.

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, 1803404679 + ... + 1803417110.

It is an arithmetic number, because the mean of its divisors is an integer number (1027944210150).

Almost surely, 2^{22420004240424} is an apocalyptic number.

22420004240424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22420004240424 is an abundant number, since it is smaller than the sum of its proper divisors (43368425209176).

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

22420004240424 is a wasteful number, since it uses less digits than its factorization.

22420004240424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606821842 (or 3606821838 counting only the distinct ones).

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

Adding to 22420004240424 its reverse (42404240002422), we get a palindrome (64824244242846).

The spelling of 22420004240424 in words is "twenty-two trillion, four hundred twenty billion, four million, two hundred forty thousand, four hundred twenty-four".