2242169 has 2 divisors, whose sum is σ = 2242170. Its totient is φ = 2242168.

The previous prime is 2242157. The next prime is 2242187. The reversal of 2242169 is 9612422.

2242169 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., 1857769 + 384400 = 1363^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 2242169 - 2¹⁶ = 2176633 is a prime.

It is a super-2 number, since 2×2242169² = 10054643649122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is equal to p₁₆₅₅₄₅ and since 2242169 and 165545 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 16.

It is not a weakly prime, because it can be changed into another prime (2242129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121084 + 1121085.

It is an arithmetic number, because the mean of its divisors is an integer number (1121085).

2^2242169 is an apocalyptic number.

It is an amenable number.

2242169 is a deficient number, since it is larger than the sum of its proper divisors (1).

2242169 is an equidigital number, since it uses as much as digits as its factorization.

2242169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 2242169 is about 1497.3873914255. The cubic root of 2242169 is about 130.8848705863.

The spelling of 2242169 in words is "two million, two hundred forty-two thousand, one hundred sixty-nine".