22001440204443 has 32 divisors (see below), whose sum is σ = 35015707537920. Its totient is φ = 12025131091200.

The previous prime is 22001440204361. The next prime is 22001440204451. The reversal of 22001440204443 is 34440204410022.

It is not a de Polignac number, because 22001440204443 - 2⁸ = 22001440204187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22001440204443.

It is not an unprimeable number, because it can be changed into a prime (22001440204483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 239919258 + ... + 240010943.

It is an arithmetic number, because the mean of its divisors is an integer number (1094240860560).

Almost surely, 2^{22001440204443} is an apocalyptic number.

22001440204443 is a deficient number, since it is larger than the sum of its proper divisors (13014267333477).

22001440204443 is a wasteful number, since it uses less digits than its factorization.

22001440204443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479930307.

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

Adding to 22001440204443 its reverse (34440204410022), we get a palindrome (56441644614465).

The spelling of 22001440204443 in words is "twenty-two trillion, one billion, four hundred forty million, two hundred four thousand, four hundred forty-three".