22442002040444 has 12 divisors (see below), whose sum is σ = 44884004080944. Its totient is φ = 9618000874464.

The previous prime is 22442002040443. The next prime is 22442002040449. The reversal of 22442002040444 is 44404020024422.

22442002040444 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 22442002040444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442002040443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400750036409 + ... + 400750036464.

It is an arithmetic number, because the mean of its divisors is an integer number (3740333673412).

Almost surely, 2^{22442002040444} is an apocalyptic number.

It is an amenable number.

22442002040444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

22442002040444 is a wasteful number, since it uses less digits than its factorization.

22442002040444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 801500072884 (or 801500072882 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 22442002040444 its reverse (44404020024422), we get a palindrome (66846022064866).

The spelling of 22442002040444 in words is "twenty-two trillion, four hundred forty-two billion, two million, forty thousand, four hundred forty-four".