22044224040 has 64 divisors (see below), whose sum is σ = 66154570560. Its totient is φ = 5876513280.

The previous prime is 22044223997. The next prime is 22044224047. The reversal of 22044224040 is 4042244022.

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 22044224040.

It is not an unprimeable number, because it can be changed into a prime (22044224047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 353620 + ... + 411260.

It is an arithmetic number, because the mean of its divisors is an integer number (1033665165).

Almost surely, 2^22044224040 is an apocalyptic number.

22044224040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22044224040 is an abundant number, since it is smaller than the sum of its proper divisors (44110346520).

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

22044224040 is a wasteful number, since it uses less digits than its factorization.

22044224040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60842 (or 60838 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 22044224040 its reverse (4042244022), we get a palindrome (26086468062).

The spelling of 22044224040 in words is "twenty-two billion, forty-four million, two hundred twenty-four thousand, forty".