825082228 has 12 divisors (see below), whose sum is σ = 1444468900. Its totient is φ = 412376832.

The previous prime is 825082213. The next prime is 825082229. The reversal of 825082228 is 822280528.

It can be written as a sum of positive squares in 2 ways, for example, as 723717604 + 101364624 = 26902^2 + 10068^2 .

It is a super-2 number, since 2×825082228² = 1361521365922887968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (825082229) 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, 29403 + ... + 50146.

Almost surely, 2^825082228 is an apocalyptic number.

It is an amenable number.

825082228 is a deficient number, since it is larger than the sum of its proper divisors (619386672).

825082228 is a wasteful number, since it uses less digits than its factorization.

825082228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82146 (or 82144 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 37.

The square root of 825082228 is about 28724.2446027742. The cubic root of 825082228 is about 937.9198865328.

The spelling of 825082228 in words is "eight hundred twenty-five million, eighty-two thousand, two hundred twenty-eight".