43522211222557 has 2 divisors, whose sum is σ = 43522211222558. Its totient is φ = 43522211222556.

The previous prime is 43522211222507. The next prime is 43522211222579. The reversal of 43522211222557 is 75522211222534.

43522211222557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38246135447716 + 5276075774841 = 6184346^2 + 2296971^2 .

It is a cyclic number.

It is not a de Polignac number, because 43522211222557 - 2¹⁹ = 43522210698269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43522211222507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21761105611278 + 21761105611279.

It is an arithmetic number, because the mean of its divisors is an integer number (21761105611279).

Almost surely, 2^{43522211222557} is an apocalyptic number.

It is an amenable number.

43522211222557 is a deficient number, since it is larger than the sum of its proper divisors (1).

43522211222557 is an equidigital number, since it uses as much as digits as its factorization.

43522211222557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672000, while the sum is 43.

The spelling of 43522211222557 in words is "forty-three trillion, five hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, five hundred fifty-seven".