43411922221 has 2 divisors, whose sum is σ = 43411922222. Its totient is φ = 43411922220.

The previous prime is 43411922207. The next prime is 43411922243. The reversal of 43411922221 is 12222911434.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41265453321 + 2146468900 = 203139^2 + 46330^2 .

It is a cyclic number.

It is not a de Polignac number, because 43411922221 - 2⁷ = 43411922093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43411922251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21705961110 + 21705961111.

It is an arithmetic number, because the mean of its divisors is an integer number (21705961111).

Almost surely, 2^43411922221 is an apocalyptic number.

It is an amenable number.

43411922221 is a deficient number, since it is larger than the sum of its proper divisors (1).

43411922221 is an equidigital number, since it uses as much as digits as its factorization.

43411922221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The spelling of 43411922221 in words is "forty-three billion, four hundred eleven million, nine hundred twenty-two thousand, two hundred twenty-one".