85857226 has 32 divisors (see below), whose sum is σ = 163981440. Its totient is φ = 32792256.

The previous prime is 85857221. The next prime is 85857253. The reversal of 85857226 is 62275858.

It is not an unprimeable number, because it can be changed into a prime (85857221) 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 15 ways as a sum of consecutive naturals, for example, 2856 + ... + 13411.

It is an arithmetic number, because the mean of its divisors is an integer number (5124420).

Almost surely, 2^85857226 is an apocalyptic number.

85857226 is a deficient number, since it is larger than the sum of its proper divisors (78124214).

85857226 is a wasteful number, since it uses less digits than its factorization.

85857226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16318.

The product of its digits is 268800, while the sum is 43.

The square root of 85857226 is about 9265.9174397358. The cubic root of 85857226 is about 441.1560953860.

The spelling of 85857226 in words is "eighty-five million, eight hundred fifty-seven thousand, two hundred twenty-six".