85234228 has 24 divisors (see below), whose sum is σ = 163840320. Its totient is φ = 38617920.

The previous prime is 85234189. The next prime is 85234241. The reversal of 85234228 is 82243258.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85234193 and 85234202.

It is a congruent number.

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, 22633 + ... + 26128.

It is an arithmetic number, because the mean of its divisors is an integer number (6826680).

Almost surely, 2^85234228 is an apocalyptic number.

It is an amenable number.

85234228 is a deficient number, since it is larger than the sum of its proper divisors (78606092).

85234228 is a wasteful number, since it uses less digits than its factorization.

85234228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48807 (or 48805 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 85234228 is about 9232.2385151165. The cubic root of 85234228 is about 440.0864637243.

The spelling of 85234228 in words is "eighty-five million, two hundred thirty-four thousand, two hundred twenty-eight".