7885228 has 48 divisors (see below), whose sum is σ = 16369920. Its totient is φ = 3288384.

The previous prime is 7885223. The next prime is 7885259. The reversal of 7885228 is 8225887.

7885228 = T₄₁₇ + T₄₁₈ + ... + T₄₉₂.

It is a super-2 number, since 2×7885228² = 124353641223968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7885223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22551 + ... + 22897.

It is an arithmetic number, because the mean of its divisors is an integer number (341040).

Almost surely, 2^7885228 is an apocalyptic number.

It is an amenable number.

7885228 is an abundant number, since it is smaller than the sum of its proper divisors (8484692).

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

7885228 is a wasteful number, since it uses less digits than its factorization.

7885228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 7885228 is about 2808.0648140668. The cubic root of 7885228 is about 199.0389560360.

The spelling of 7885228 in words is "seven million, eight hundred eighty-five thousand, two hundred twenty-eight".