244428169 has 2 divisors, whose sum is σ = 244428170. Its totient is φ = 244428168.

The previous prime is 244428161. The next prime is 244428187. The reversal of 244428169 is 961824442.

244428169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197683600 + 46744569 = 14060^2 + 6837^2 .

It is a cyclic number.

It is not a de Polignac number, because 244428169 - 2³ = 244428161 is a prime.

It is a super-2 number, since 2×244428169² = 119490259601385122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (244428161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122214084 + 122214085.

It is an arithmetic number, because the mean of its divisors is an integer number (122214085).

Almost surely, 2^244428169 is an apocalyptic number.

It is an amenable number.

244428169 is a deficient number, since it is larger than the sum of its proper divisors (1).

244428169 is an equidigital number, since it uses as much as digits as its factorization.

244428169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 40.

The square root of 244428169 is about 15634.1987002852. The cubic root of 244428169 is about 625.2452746120.

The spelling of 244428169 in words is "two hundred forty-four million, four hundred twenty-eight thousand, one hundred sixty-nine".