22454403443 has 2 divisors, whose sum is σ = 22454403444. Its totient is φ = 22454403442.

The previous prime is 22454403341. The next prime is 22454403449. The reversal of 22454403443 is 34430445422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22454403443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22454403449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11227201721 + 11227201722.

It is an arithmetic number, because the mean of its divisors is an integer number (11227201722).

Almost surely, 2^22454403443 is an apocalyptic number.

22454403443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22454403443 is an equidigital number, since it uses as much as digits as its factorization.

22454403443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 22454403443 its reverse (34430445422), we get a palindrome (56884848865).

The spelling of 22454403443 in words is "twenty-two billion, four hundred fifty-four million, four hundred three thousand, four hundred forty-three".