85575228 has 24 divisors (see below), whose sum is σ = 205073232. Its totient is φ = 27753984.

The previous prime is 85575227. The next prime is 85575233. The reversal of 85575228 is 82257558.

It is a self number, because there is not a number n which added to its sum of digits gives 85575228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85575223) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 95925 + ... + 96812.

It is an arithmetic number, because the mean of its divisors is an integer number (8544718).

Almost surely, 2^85575228 is an apocalyptic number.

It is an amenable number.

85575228 is an abundant number, since it is smaller than the sum of its proper divisors (119498004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85575228 is a wasteful number, since it uses less digits than its factorization.

85575228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192781 (or 192779 counting only the distinct ones).

The product of its digits is 224000, while the sum is 42.

The square root of 85575228 is about 9250.6879744157. The cubic root of 85575228 is about 440.6725733253.

The spelling of 85575228 in words is "eighty-five million, five hundred seventy-five thousand, two hundred twenty-eight".