22045636843 has 2 divisors, whose sum is σ = 22045636844. Its totient is φ = 22045636842.

The previous prime is 22045636831. The next prime is 22045636849. The reversal of 22045636843 is 34863654022.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22045636843 - 2¹⁷ = 22045505771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22045636843.

It is not a weakly prime, because it can be changed into another prime (22045636849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022818421 + 11022818422.

It is an arithmetic number, because the mean of its divisors is an integer number (11022818422).

Almost surely, 2^22045636843 is an apocalyptic number.

22045636843 is a deficient number, since it is larger than the sum of its proper divisors (1).

22045636843 is an equidigital number, since it uses as much as digits as its factorization.

22045636843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 22045636843 in words is "twenty-two billion, forty-five million, six hundred thirty-six thousand, eight hundred forty-three".