85285226 has 32 divisors (see below), whose sum is σ = 146921040. Its totient is φ = 36781056.

The previous prime is 85285217. The next prime is 85285237. The reversal of 85285226 is 62258258.

It is a happy number.

It is a Cunningham number, because it is equal to 9235²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 57775201 + 27510025 = 7601^2 + 5245^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 85285226.

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 15 ways as a sum of consecutive naturals, for example, 68780 + ... + 70008.

Almost surely, 2^85285226 is an apocalyptic number.

85285226 is a deficient number, since it is larger than the sum of its proper divisors (61635814).

85285226 is a wasteful number, since it uses less digits than its factorization.

85285226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1418.

The product of its digits is 76800, while the sum is 38.

The square root of 85285226 is about 9235.0000541419. Note that the first 4 decimals coincide. The cubic root of 85285226 is about 440.1742181992.

The spelling of 85285226 in words is "eighty-five million, two hundred eighty-five thousand, two hundred twenty-six".