2222839 has 2 divisors, whose sum is σ = 2222840. Its totient is φ = 2222838.

The previous prime is 2222819. The next prime is 2222893. The reversal of 2222839 is 9382222.

Together with next prime (2222893) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2222839 - 2⁹ = 2222327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111419 + 1111420.

It is an arithmetic number, because the mean of its divisors is an integer number (1111420).

2^2222839 is an apocalyptic number.

2222839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222839 is an equidigital number, since it uses as much as digits as its factorization.

2222839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

The square root of 2222839 is about 1490.9188442031. The cubic root of 2222839 is about 130.5076599390.

The spelling of 2222839 in words is "two million, two hundred twenty-two thousand, eight hundred thirty-nine".