544222169 has 2 divisors, whose sum is σ = 544222170. Its totient is φ = 544222168.

The previous prime is 544222163. The next prime is 544222181. The reversal of 544222169 is 961222445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445716544 + 98505625 = 21112^2 + 9925^2 .

It is a cyclic number.

It is not a de Polignac number, because 544222169 - 2²⁰ = 543173593 is a prime.

It is a super-2 number, since 2×544222169² = 592355538462129122, which contains 22 as substring.

It is a Chen prime.

It is equal to p_28558061 and since 544222169 and 28558061 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (544222163) 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, 272111084 + 272111085.

It is an arithmetic number, because the mean of its divisors is an integer number (272111085).

Almost surely, 2^544222169 is an apocalyptic number.

It is an amenable number.

544222169 is a deficient number, since it is larger than the sum of its proper divisors (1).

544222169 is an equidigital number, since it uses as much as digits as its factorization.

544222169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34560, while the sum is 35.

The square root of 544222169 is about 23328.5698018545. The cubic root of 544222169 is about 816.4421348213.

The spelling of 544222169 in words is "five hundred forty-four million, two hundred twenty-two thousand, one hundred sixty-nine".