22113143443 has 2 divisors, whose sum is σ = 22113143444. Its totient is φ = 22113143442.

The previous prime is 22113143441. The next prime is 22113143473. The reversal of 22113143443 is 34434131122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22113143443 - 2¹ = 22113143441 is a prime.

It is a super-2 number, since 2×22113143443² (a number of 21 digits) contains 22 as substring.

Together with 22113143441, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22113143441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11056571721 + 11056571722.

It is an arithmetic number, because the mean of its divisors is an integer number (11056571722).

Almost surely, 2^22113143443 is an apocalyptic number.

22113143443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22113143443 is an equidigital number, since it uses as much as digits as its factorization.

22113143443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 28.

Adding to 22113143443 its reverse (34434131122), we get a palindrome (56547274565).

The spelling of 22113143443 in words is "twenty-two billion, one hundred thirteen million, one hundred forty-three thousand, four hundred forty-three".