85822245 has 18 divisors (see below), whose sum is σ = 148866354. Its totient is φ = 45738720.

The previous prime is 85822237. The next prime is 85822267. The reversal of 85822245 is 54222858.

It can be written as a sum of positive squares in 3 ways, for example, as 6380676 + 79441569 = 2526^2 + 8913^2 .

It is not a de Polignac number, because 85822245 - 2³ = 85822237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61455 + ... + 62835.

It is an arithmetic number, because the mean of its divisors is an integer number (8270353).

Almost surely, 2^85822245 is an apocalyptic number.

It is an amenable number.

85822245 is a deficient number, since it is larger than the sum of its proper divisors (63044109).

85822245 is an equidigital number, since it uses as much as digits as its factorization.

85822245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2773 (or 1389 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 85822245 is about 9264.0296307816. The cubic root of 85822245 is about 441.0961735118.

The spelling of 85822245 in words is "eighty-five million, eight hundred twenty-two thousand, two hundred forty-five".