2085228239 has 2 divisors, whose sum is σ = 2085228240. Its totient is φ = 2085228238.

The previous prime is 2085228227. The next prime is 2085228241. The reversal of 2085228239 is 9328225802.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2085228239 - 2⁸ = 2085227983 is a prime.

It is a super-2 number, since 2×2085228239² = 8696353617446082242, which contains 22 as substring.

Together with 2085228241, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2085228196 and 2085228205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2085228269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042614119 + 1042614120.

It is an arithmetic number, because the mean of its divisors is an integer number (1042614120).

Almost surely, 2^2085228239 is an apocalyptic number.

2085228239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085228239 is an equidigital number, since it uses as much as digits as its factorization.

2085228239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2085228239 is about 45664.2993924138. The cubic root of 2085228239 is about 1277.5694924048.

The spelling of 2085228239 in words is "two billion, eighty-five million, two hundred twenty-eight thousand, two hundred thirty-nine".