22124040234420 has 96 divisors (see below), whose sum is σ = 62270169292800. Its totient is φ = 5869006830720.

The previous prime is 22124040234403. The next prime is 22124040234473. The reversal of 22124040234420 is 2443204042122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 65154399 + ... + 65493081.

It is an arithmetic number, because the mean of its divisors is an integer number (648647596800).

Almost surely, 2^{22124040234420} is an apocalyptic number.

22124040234420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22124040234420 is an abundant number, since it is smaller than the sum of its proper divisors (40146129058380).

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

22124040234420 is a wasteful number, since it uses less digits than its factorization.

22124040234420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344365 (or 344363 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22124040234420 its reverse (2443204042122), we get a palindrome (24567244276542).

The spelling of 22124040234420 in words is "twenty-two trillion, one hundred twenty-four billion, forty million, two hundred thirty-four thousand, four hundred twenty".