22004244222444 has 72 divisors (see below), whose sum is σ = 60679290868560. Its totient is φ = 6667851648000.

The previous prime is 22004244222427. The next prime is 22004244222463. The reversal of 22004244222444 is 44422244240022.

22004244222444 is a `hidden beast` number, since 2 + 2 + 0 + 0 + 424 + 4 + 2 + 224 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22004244222399 and 22004244222408.

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 23 ways as a sum of consecutive naturals, for example, 28161844 + ... + 28932644.

It is an arithmetic number, because the mean of its divisors is an integer number (842767928730).

Almost surely, 2^{22004244222444} is an apocalyptic number.

It is an amenable number.

22004244222444 is an abundant number, since it is smaller than the sum of its proper divisors (38675046646116).

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

22004244222444 is a wasteful number, since it uses less digits than its factorization.

22004244222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842911 (or 842906 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 22004244222444 its reverse (44422244240022), we get a palindrome (66426488462466).

The spelling of 22004244222444 in words is "twenty-two trillion, four billion, two hundred forty-four million, two hundred twenty-two thousand, four hundred forty-four".