85230224 has 10 divisors (see below), whose sum is σ = 165133590. Its totient is φ = 42615104.

The previous prime is 85230221. The next prime is 85230241. The reversal of 85230224 is 42203258.

It can be written as a sum of positive squares in only one way, i.e., 85229824 + 400 = 9232^2 + 20^2 .

It is a junction number, because it is equal to n+sod(n) for n = 85230193 and 85230202.

It is not an unprimeable number, because it can be changed into a prime (85230221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2663429 + ... + 2663460.

It is an arithmetic number, because the mean of its divisors is an integer number (16513359).

Almost surely, 2^85230224 is an apocalyptic number.

It is an amenable number.

85230224 is a deficient number, since it is larger than the sum of its proper divisors (79903366).

85230224 is a wasteful number, since it uses less digits than its factorization.

85230224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326897 (or 5326891 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 85230224 is about 9232.0216637527. The cubic root of 85230224 is about 440.0795723856.

The spelling of 85230224 in words is "eighty-five million, two hundred thirty thousand, two hundred twenty-four".