8372228 has 12 divisors (see below), whose sum is σ = 15513372. Its totient is φ = 3939840.

The previous prime is 8372227. The next prime is 8372233. The reversal of 8372228 is 8222738.

It can be written as a sum of positive squares in 2 ways, for example, as 6927424 + 1444804 = 2632^2 + 1202^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8372194 and 8372203.

It is not an unprimeable number, because it can be changed into a prime (8372227) 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, 61493 + ... + 61628.

It is an arithmetic number, because the mean of its divisors is an integer number (1292781).

Almost surely, 2^8372228 is an apocalyptic number.

It is an amenable number.

8372228 is a deficient number, since it is larger than the sum of its proper divisors (7141144).

8372228 is a wasteful number, since it uses less digits than its factorization.

8372228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123142 (or 123140 counting only the distinct ones).

The product of its digits is 10752, while the sum is 32.

The square root of 8372228 is about 2893.4802574063. The cubic root of 8372228 is about 203.0549973532.

The spelling of 8372228 in words is "eight million, three hundred seventy-two thousand, two hundred twenty-eight".