22440402041 has 2 divisors, whose sum is σ = 22440402042. Its totient is φ = 22440402040.

The previous prime is 22440402037. The next prime is 22440402107. The reversal of 22440402041 is 14020404422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15826646416 + 6613755625 = 125804^2 + 81325^2 .

It is a cyclic number.

It is not a de Polignac number, because 22440402041 - 2² = 22440402037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22440401998 and 22440402016.

It is not a weakly prime, because it can be changed into another prime (22440402011) 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 as a sum of consecutive naturals, namely, 11220201020 + 11220201021.

It is an arithmetic number, because the mean of its divisors is an integer number (11220201021).

Almost surely, 2^22440402041 is an apocalyptic number.

It is an amenable number.

22440402041 is a deficient number, since it is larger than the sum of its proper divisors (1).

22440402041 is an equidigital number, since it uses as much as digits as its factorization.

22440402041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 22440402041 its reverse (14020404422), we get a palindrome (36460806463).

The spelling of 22440402041 in words is "twenty-two billion, four hundred forty million, four hundred two thousand, forty-one".