6912228 has 12 divisors (see below), whose sum is σ = 16128560. Its totient is φ = 2304072.

The previous prime is 6912223. The next prime is 6912253. The reversal of 6912228 is 8222196.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 6912195 and 6912204.

It is not an unprimeable number, because it can be changed into a prime (6912223) 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, 287998 + ... + 288021.

Almost surely, 2^6912228 is an apocalyptic number.

It is an amenable number.

6912228 is an abundant number, since it is smaller than the sum of its proper divisors (9216332).

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

6912228 is a wasteful number, since it uses less digits than its factorization.

6912228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576026 (or 576024 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 6912228 is about 2629.1116370364. Note that the first 3 decimals coincide. The cubic root of 6912228 is about 190.4902207007.

It can be divided in two parts, 6912 and 228, that added together give a triangular number (7140 = T₁₁₉).

The spelling of 6912228 in words is "six million, nine hundred twelve thousand, two hundred twenty-eight".