44400220322197 has 2 divisors, whose sum is σ = 44400220322198. Its totient is φ = 44400220322196.

The previous prime is 44400220322149. The next prime is 44400220322203. The reversal of 44400220322197 is 79122302200444.

44400220322197 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., 27473175488196 + 16927044834001 = 5241486^2 + 4114249^2 .

It is a cyclic number.

It is not a de Polignac number, because 44400220322197 - 2¹¹ = 44400220320149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44400220322597) 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, 22200110161098 + 22200110161099.

It is an arithmetic number, because the mean of its divisors is an integer number (22200110161099).

Almost surely, 2^{44400220322197} is an apocalyptic number.

It is an amenable number.

44400220322197 is a deficient number, since it is larger than the sum of its proper divisors (1).

44400220322197 is an equidigital number, since it uses as much as digits as its factorization.

44400220322197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 44400220322197 in words is "forty-four trillion, four hundred billion, two hundred twenty million, three hundred twenty-two thousand, one hundred ninety-seven".