22224644473 has 2 divisors, whose sum is σ = 22224644474. Its totient is φ = 22224644472.

The previous prime is 22224644419. The next prime is 22224644513. The reversal of 22224644473 is 37444642222.

It is an a-pointer prime, because the next prime (22224644513) can be obtained adding 22224644473 to its sum of digits (40).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13709599744 + 8515044729 = 117088^2 + 92277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22224644473 is a prime.

It is not a weakly prime, because it can be changed into another prime (22224614473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11112322236 + 11112322237.

It is an arithmetic number, because the mean of its divisors is an integer number (11112322237).

Almost surely, 2^22224644473 is an apocalyptic number.

It is an amenable number.

22224644473 is a deficient number, since it is larger than the sum of its proper divisors (1).

22224644473 is an equidigital number, since it uses as much as digits as its factorization.

22224644473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 516096, while the sum is 40.

The spelling of 22224644473 in words is "twenty-two billion, two hundred twenty-four million, six hundred forty-four thousand, four hundred seventy-three".