2285779 has 2 divisors, whose sum is σ = 2285780. Its totient is φ = 2285778.

The previous prime is 2285747. The next prime is 2285797. The reversal of 2285779 is 9775822.

Together with next prime (2285797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2285779 - 2⁵ = 2285747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2285279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1142889 + 1142890.

It is an arithmetic number, because the mean of its divisors is an integer number (1142890).

2^2285779 is an apocalyptic number.

2285779 is a deficient number, since it is larger than the sum of its proper divisors (1).

2285779 is an equidigital number, since it uses as much as digits as its factorization.

2285779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70560, while the sum is 40.

The square root of 2285779 is about 1511.8792941237. The cubic root of 2285779 is about 131.7279943612.

The spelling of 2285779 in words is "two million, two hundred eighty-five thousand, seven hundred seventy-nine".