22043489371 has 4 divisors (see below), whose sum is σ = 22639259392. Its totient is φ = 21447719352.

The previous prime is 22043489359. The next prime is 22043489383. The reversal of 22043489371 is 17398434022.

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

It is an interprime number because it is at equal distance from previous prime (22043489359) and next prime (22043489383).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22043489371 is a prime.

It is the 148471-st Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22047489371) by changing a digit.

It is a nontrivial repunit in base 148470.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297884955 + ... + 297885028.

It is an arithmetic number, because the mean of its divisors is an integer number (5659814848).

Almost surely, 2^22043489371 is an apocalyptic number.

22043489371 is a deficient number, since it is larger than the sum of its proper divisors (595770021).

22043489371 is an equidigital number, since it uses as much as digits as its factorization.

22043489371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 595770020.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 22043489371 in words is "twenty-two billion, forty-three million, four hundred eighty-nine thousand, three hundred seventy-one".