22321044444 has 24 divisors (see below), whose sum is σ = 52569191808. Its totient is φ = 7370811760.

The previous prime is 22321044419. The next prime is 22321044457. The reversal of 22321044444 is 44444012322.

It is a super-3 number, since 3×22321044444³ (a number of 32 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 8690712 + ... + 8693279.

It is an arithmetic number, because the mean of its divisors is an integer number (2190382992).

Almost surely, 2^22321044444 is an apocalyptic number.

It is an amenable number.

22321044444 is an abundant number, since it is smaller than the sum of its proper divisors (30248147364).

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

22321044444 is a wasteful number, since it uses less digits than its factorization.

22321044444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17384105 (or 17384103 counting only the distinct ones).

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

Adding to 22321044444 its reverse (44444012322), we get a palindrome (66765056766).

The spelling of 22321044444 in words is "twenty-two billion, three hundred twenty-one million, forty-four thousand, four hundred forty-four".