2290369 has 2 divisors, whose sum is σ = 2290370. Its totient is φ = 2290368.

The previous prime is 2290339. The next prime is 2290403. The reversal of 2290369 is 9630922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 4225 = 1512^2 + 65^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2290369 is a prime.

It is a super-2 number, since 2×2290369² = 10491580312322, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁷ + 9³ + 0 + 3¹³ + 6² + 9⁶ .

2290369 is a lucky number.

It is equal to p₁₆₈₈₅₃ and since 2290369 and 168853 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2290369.

It is not a weakly prime, because it can be changed into another prime (2290339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1145184 + 1145185.

It is an arithmetic number, because the mean of its divisors is an integer number (1145185).

2^2290369 is an apocalyptic number.

It is an amenable number.

2290369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2290369 is an equidigital number, since it uses as much as digits as its factorization.

2290369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 2290369 is about 1513.3965111629. The cubic root of 2290369 is about 131.8161083377.

The spelling of 2290369 in words is "two million, two hundred ninety thousand, three hundred sixty-nine".