22131110424 has 64 divisors (see below), whose sum is σ = 56171520000. Its totient is φ = 7265389824.

The previous prime is 22131110371. The next prime is 22131110473. The reversal of 22131110424 is 42401113122.

It is a self number, because there is not a number n which added to its sum of digits gives 22131110424.

It is a congruent number.

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, 391077 + ... + 444075.

It is an arithmetic number, because the mean of its divisors is an integer number (877680000).

Almost surely, 2^22131110424 is an apocalyptic number.

22131110424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22131110424 is an abundant number, since it is smaller than the sum of its proper divisors (34040409576).

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

22131110424 is a wasteful number, since it uses less digits than its factorization.

22131110424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53272 (or 53268 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22131110424 its reverse (42401113122), we get a palindrome (64532223546).

The spelling of 22131110424 in words is "twenty-two billion, one hundred thirty-one million, one hundred ten thousand, four hundred twenty-four".