43424222209 has 2 divisors, whose sum is σ = 43424222210. Its totient is φ = 43424222208.

The previous prime is 43424222197. The next prime is 43424222243. The reversal of 43424222209 is 90222242434.

It is an a-pointer prime, because the next prime (43424222243) can be obtained adding 43424222209 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43410972609 + 13249600 = 208353^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 43424222209 - 2¹³ = 43424214017 is a prime.

It is not a weakly prime, because it can be changed into another prime (43424222299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712111104 + 21712111105.

It is an arithmetic number, because the mean of its divisors is an integer number (21712111105).

Almost surely, 2^43424222209 is an apocalyptic number.

It is an amenable number.

43424222209 is a deficient number, since it is larger than the sum of its proper divisors (1).

43424222209 is an equidigital number, since it uses as much as digits as its factorization.

43424222209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 43424222209 in words is "forty-three billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred nine".