43122222289 has 2 divisors, whose sum is σ = 43122222290. Its totient is φ = 43122222288.

The previous prime is 43122222259. The next prime is 43122222317. The reversal of 43122222289 is 98222222134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39753580689 + 3368641600 = 199383^2 + 58040^2 .

It is a cyclic number.

It is not a de Polignac number, because 43122222289 - 2¹⁹ = 43121698001 is a prime.

It is not a weakly prime, because it can be changed into another prime (43122222259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21561111144 + 21561111145.

It is an arithmetic number, because the mean of its divisors is an integer number (21561111145).

Almost surely, 2^43122222289 is an apocalyptic number.

It is an amenable number.

43122222289 is a deficient number, since it is larger than the sum of its proper divisors (1).

43122222289 is an equidigital number, since it uses as much as digits as its factorization.

43122222289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 37.

The spelling of 43122222289 in words is "forty-three billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred eighty-nine".