22421324040 has 64 divisors (see below), whose sum is σ = 67301055360. Its totient is φ = 5975723520.

The previous prime is 22421324033. The next prime is 22421324059. The reversal of 22421324040 is 4042312422.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22421324040.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171060 + ... + 272220.

It is an arithmetic number, because the mean of its divisors is an integer number (1051578990).

Almost surely, 2^22421324040 is an apocalyptic number.

22421324040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22421324040 is an abundant number, since it is smaller than the sum of its proper divisors (44879731320).

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

22421324040 is a wasteful number, since it uses less digits than its factorization.

22421324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103022 (or 103018 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22421324040 its reverse (4042312422), we get a palindrome (26463636462).

The spelling of 22421324040 in words is "twenty-two billion, four hundred twenty-one million, three hundred twenty-four thousand, forty".