85259228 has 12 divisors (see below), whose sum is σ = 149440200. Its totient is φ = 42562032.

The previous prime is 85259227. The next prime is 85259231. The reversal of 85259228 is 82295258.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85259227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14003 + ... + 19146.

It is an arithmetic number, because the mean of its divisors is an integer number (12453350).

Almost surely, 2^85259228 is an apocalyptic number.

It is an amenable number.

85259228 is a deficient number, since it is larger than the sum of its proper divisors (64180972).

85259228 is a wasteful number, since it uses less digits than its factorization.

85259228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33796 (or 33794 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 85259228 is about 9233.5923670043. The cubic root of 85259228 is about 440.1294866833.

The spelling of 85259228 in words is "eighty-five million, two hundred fifty-nine thousand, two hundred twenty-eight".