544422169 has 2 divisors, whose sum is σ = 544422170. Its totient is φ = 544422168.

The previous prime is 544422089. The next prime is 544422173. The reversal of 544422169 is 961224445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393427225 + 150994944 = 19835^2 + 12288^2 .

It is a cyclic number.

It is not a de Polignac number, because 544422169 - 2⁷ = 544422041 is a prime.

It is a super-2 number, since 2×544422169² = 592790996197329122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (544422199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272211084 + 272211085.

It is an arithmetic number, because the mean of its divisors is an integer number (272211085).

Almost surely, 2^544422169 is an apocalyptic number.

It is an amenable number.

544422169 is a deficient number, since it is larger than the sum of its proper divisors (1).

544422169 is an equidigital number, since it uses as much as digits as its factorization.

544422169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 544422169 is about 23332.8559974985. The cubic root of 544422169 is about 816.5421359101.

The spelling of 544422169 in words is "five hundred forty-four million, four hundred twenty-two thousand, one hundred sixty-nine".