85212266 has 16 divisors (see below), whose sum is σ = 132972840. Its totient is φ = 40904640.

The previous prime is 85212247. The next prime is 85212271. The reversal of 85212266 is 66221258.

It can be written as a sum of positive squares in 4 ways, for example, as 66765241 + 18447025 = 8171^2 + 4295^2 .

It is a super-3 number, since 3×85212266³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6440 + ... + 14556.

Almost surely, 2^85212266 is an apocalyptic number.

85212266 is a deficient number, since it is larger than the sum of its proper divisors (47760574).

85212266 is a wasteful number, since it uses less digits than its factorization.

85212266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8329.

The product of its digits is 11520, while the sum is 32.

The square root of 85212266 is about 9231.0490194777. The cubic root of 85212266 is about 440.0486619734.

The spelling of 85212266 in words is "eighty-five million, two hundred twelve thousand, two hundred sixty-six".