22004403344243 has 4 divisors (see below), whose sum is σ = 22014936808920. Its totient is φ = 21993869879568.

The previous prime is 22004403344239. The next prime is 22004403344249. The reversal of 22004403344243 is 34244330440022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22004403344243 - 2² = 22004403344239 is a prime.

It is a super-2 number, since 2×22004403344243² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22004403344249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5266729205 + ... + 5266733382.

It is an arithmetic number, because the mean of its divisors is an integer number (5503734202230).

Almost surely, 2^{22004403344243} is an apocalyptic number.

22004403344243 is a deficient number, since it is larger than the sum of its proper divisors (10533464677).

22004403344243 is a wasteful number, since it uses less digits than its factorization.

22004403344243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10533464676.

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 22004403344243 its reverse (34244330440022), we get a palindrome (56248733784265).

The spelling of 22004403344243 in words is "twenty-two trillion, four billion, four hundred three million, three hundred forty-four thousand, two hundred forty-three".