43224440443 has 2 divisors, whose sum is σ = 43224440444. Its totient is φ = 43224440442.

The previous prime is 43224440437. The next prime is 43224440447. The reversal of 43224440443 is 34404442234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43224440443 - 2⁵ = 43224440411 is a prime.

It is a super-2 number, since 2×43224440443² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43224440399 and 43224440408.

It is not a weakly prime, because it can be changed into another prime (43224440447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21612220221 + 21612220222.

It is an arithmetic number, because the mean of its divisors is an integer number (21612220222).

Almost surely, 2^43224440443 is an apocalyptic number.

43224440443 is a deficient number, since it is larger than the sum of its proper divisors (1).

43224440443 is an equidigital number, since it uses as much as digits as its factorization.

43224440443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 147456, while the sum is 34.

Adding to 43224440443 its reverse (34404442234), we get a palindrome (77628882677).

The spelling of 43224440443 in words is "forty-three billion, two hundred twenty-four million, four hundred forty thousand, four hundred forty-three".