2223839 has 2 divisors, whose sum is σ = 2223840. Its totient is φ = 2223838.

The previous prime is 2223833. The next prime is 2223841. The reversal of 2223839 is 9383222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2223839 is a prime.

It is a Sophie Germain prime.

Together with 2223841, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁵ + 2²¹ + 3³ + 8⁵ + 3³ + 9⁵ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2223833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111919 + 1111920.

It is an arithmetic number, because the mean of its divisors is an integer number (1111920).

2^2223839 is an apocalyptic number.

2223839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223839 is an equidigital number, since it uses as much as digits as its factorization.

2223839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 29.

The square root of 2223839 is about 1491.2541701534. The cubic root of 2223839 is about 130.5272277221.

It can be divided in two parts, 222 and 3839, that multiplied together give a palindrome (852258).

The spelling of 2223839 in words is "two million, two hundred twenty-three thousand, eight hundred thirty-nine".