85125228 has 12 divisors (see below), whose sum is σ = 198625560. Its totient is φ = 28375072.

The previous prime is 85125223. The next prime is 85125233. The reversal of 85125228 is 82252158.

It is an interprime number because it is at equal distance from previous prime (85125223) and next prime (85125233).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (85125221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3546873 + ... + 3546896.

It is an arithmetic number, because the mean of its divisors is an integer number (16552130).

Almost surely, 2^85125228 is an apocalyptic number.

It is an amenable number.

85125228 is an abundant number, since it is smaller than the sum of its proper divisors (113500332).

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

85125228 is a wasteful number, since it uses less digits than its factorization.

85125228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7093776 (or 7093774 counting only the distinct ones).

The product of its digits is 12800, while the sum is 33.

The square root of 85125228 is about 9226.3333995689. Note that the first 4 decimals coincide. The cubic root of 85125228 is about 439.8987852589.

The spelling of 85125228 in words is "eighty-five million, one hundred twenty-five thousand, two hundred twenty-eight".