22004022043 has 4 divisors (see below), whose sum is σ = 22009058208. Its totient is φ = 21998985880.

The previous prime is 22004021987. The next prime is 22004022059. The reversal of 22004022043 is 34022040022.

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 22004022043 - 2³³ = 13414087451 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22004022043.

It is not an unprimeable number, because it can be changed into a prime (22004026043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2511523 + ... + 2520268.

It is an arithmetic number, because the mean of its divisors is an integer number (5502264552).

Almost surely, 2^22004022043 is an apocalyptic number.

22004022043 is a deficient number, since it is larger than the sum of its proper divisors (5036165).

22004022043 is an equidigital number, since it uses as much as digits as its factorization.

22004022043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5036164.

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22004022043 its reverse (34022040022), we get a palindrome (56026062065).

The spelling of 22004022043 in words is "twenty-two billion, four million, twenty-two thousand, forty-three".