22221303424443 has 48 divisors (see below), whose sum is σ = 33935222280960. Its totient is φ = 13972951656000.

The previous prime is 22221303424249. The next prime is 22221303424457. The reversal of 22221303424443 is 34442430312222.

22221303424443 is a `hidden beast` number, since 2 + 2 + 221 + 3 + 0 + 3 + 424 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 22221303424443 - 2¹² = 22221303420347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22221303424398 and 22221303424407.

It is not an unprimeable number, because it can be changed into a prime (22221303425443) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45118468 + ... + 45608318.

It is an arithmetic number, because the mean of its divisors is an integer number (706983797520).

Almost surely, 2^{22221303424443} is an apocalyptic number.

22221303424443 is a deficient number, since it is larger than the sum of its proper divisors (11713918856517).

22221303424443 is a wasteful number, since it uses less digits than its factorization.

22221303424443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491040 (or 491037 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 22221303424443 its reverse (34442430312222), we get a palindrome (56663733736665).

The spelling of 22221303424443 in words is "twenty-two trillion, two hundred twenty-one billion, three hundred three million, four hundred twenty-four thousand, four hundred forty-three".