85134522 has 32 divisors (see below), whose sum is σ = 188904960. Its totient is φ = 25359920.

The previous prime is 85134509. The next prime is 85134527. The reversal of 85134522 is 22543158.

It is a self number, because there is not a number n which added to its sum of digits gives 85134522.

It is not an unprimeable number, because it can be changed into a prime (85134527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7038 + ... + 14825.

It is an arithmetic number, because the mean of its divisors is an integer number (5903280).

Almost surely, 2^85134522 is an apocalyptic number.

85134522 is an abundant number, since it is smaller than the sum of its proper divisors (103770438).

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

85134522 is a wasteful number, since it uses less digits than its factorization.

85134522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21938.

The product of its digits is 9600, while the sum is 30.

The square root of 85134522 is about 9226.8370528584. The cubic root of 85134522 is about 439.9147941070.

The spelling of 85134522 in words is "eighty-five million, one hundred thirty-four thousand, five hundred twenty-two".