22412421443 has 2 divisors, whose sum is σ = 22412421444. Its totient is φ = 22412421442.

The previous prime is 22412421431. The next prime is 22412421523. The reversal of 22412421443 is 34412421422.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22412421443 is a prime.

It is not a weakly prime, because it can be changed into another prime (22412421043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11206210721 + 11206210722.

It is an arithmetic number, because the mean of its divisors is an integer number (11206210722).

Almost surely, 2^22412421443 is an apocalyptic number.

22412421443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22412421443 is an equidigital number, since it uses as much as digits as its factorization.

22412421443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12288, while the sum is 29.

Adding to 22412421443 its reverse (34412421422), we get a palindrome (56824842865).

The spelling of 22412421443 in words is "twenty-two billion, four hundred twelve million, four hundred twenty-one thousand, four hundred forty-three".