2270839 has 2 divisors, whose sum is σ = 2270840. Its totient is φ = 2270838.

The previous prime is 2270837. The next prime is 2270893. The reversal of 2270839 is 9380722.

Together with next prime (2270893) 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 2270839 - 2¹ = 2270837 is a prime.

Together with 2270837, it forms a pair of twin primes.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2270839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2270837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135419 + 1135420.

It is an arithmetic number, because the mean of its divisors is an integer number (1135420).

2^2270839 is an apocalyptic number.

2270839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2270839 is an equidigital number, since it uses as much as digits as its factorization.

2270839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2270839 is about 1506.9303235386. The cubic root of 2270839 is about 131.4403725676.

The spelling of 2270839 in words is "two million, two hundred seventy thousand, eight hundred thirty-nine".