85311822 has 8 divisors (see below), whose sum is σ = 170623656. Its totient is φ = 28437272.

The previous prime is 85311803. The next prime is 85311839. The reversal of 85311822 is 22811358.

It is a sphenic number, since it is the product of 3 distinct primes.

85311822 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 85311822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7109313 + ... + 7109324.

It is an arithmetic number, because the mean of its divisors is an integer number (21327957).

Almost surely, 2^85311822 is an apocalyptic number.

85311822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

85311822 is a wasteful number, since it uses less digits than its factorization.

85311822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14218642.

The product of its digits is 3840, while the sum is 30.

The square root of 85311822 is about 9236.4398985756. The cubic root of 85311822 is about 440.2199692136.

The spelling of 85311822 in words is "eighty-five million, three hundred eleven thousand, eight hundred twenty-two".