22424421443 has 2 divisors, whose sum is σ = 22424421444. Its totient is φ = 22424421442.

The previous prime is 22424421431. The next prime is 22424421449. The reversal of 22424421443 is 34412442422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22424421443 - 2⁴ = 22424421427 is a prime.

It is not a weakly prime, because it can be changed into another prime (22424421449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212210721 + 11212210722.

It is an arithmetic number, because the mean of its divisors is an integer number (11212210722).

Almost surely, 2^22424421443 is an apocalyptic number.

22424421443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22424421443 is an equidigital number, since it uses as much as digits as its factorization.

22424421443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 49152, while the sum is 32.

Adding to 22424421443 its reverse (34412442422), we get a palindrome (56836863865).

The spelling of 22424421443 in words is "twenty-two billion, four hundred twenty-four million, four hundred twenty-one thousand, four hundred forty-three".