8222128 has 20 divisors (see below), whose sum is σ = 16049320. Its totient is φ = 4080384.

The previous prime is 8222119. The next prime is 8222131. The reversal of 8222128 is 8212228.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 376 + ... + 4072.

It is an arithmetic number, because the mean of its divisors is an integer number (802466).

Almost surely, 2^8222128 is an apocalyptic number.

It is an amenable number.

8222128 is a deficient number, since it is larger than the sum of its proper divisors (7827192).

8222128 is a wasteful number, since it uses less digits than its factorization.

8222128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3844 (or 3838 counting only the distinct ones).

The product of its digits is 1024, while the sum is 25.

The square root of 8222128 is about 2867.4253259675. The cubic root of 8222128 is about 201.8341939076.

The spelling of 8222128 in words is "eight million, two hundred twenty-two thousand, one hundred twenty-eight".