8228178 has 72 divisors (see below), whose sum is σ = 21874320. Its totient is φ = 2222640.

The previous prime is 8228173. The next prime is 8228183. The reversal of 8228178 is 8718228.

It is an interprime number because it is at equal distance from previous prime (8228173) and next prime (8228183).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8228173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 16513 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (303810).

Almost surely, 2^8228178 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8228178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10937160).

8228178 is an abundant number, since it is smaller than the sum of its proper divisors (13646142).

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

8228178 is a wasteful number, since it uses less digits than its factorization.

8228178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 522 counting only the distinct ones).

The product of its digits is 14336, while the sum is 36.

The square root of 8228178 is about 2868.4800853414. The cubic root of 8228178 is about 201.8836862650.

The spelling of 8228178 in words is "eight million, two hundred twenty-eight thousand, one hundred seventy-eight".