3105228 has 36 divisors (see below), whose sum is σ = 8430072. Its totient is φ = 887040.

The previous prime is 3105211. The next prime is 3105251. The reversal of 3105228 is 8225013.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2053 + ... + 3228.

Almost surely, 2^3105228 is an apocalyptic number.

It is an amenable number.

3105228 is an abundant number, since it is smaller than the sum of its proper divisors (5324844).

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

3105228 is a wasteful number, since it uses less digits than its factorization.

3105228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302 (or 5293 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 3105228 is about 1762.1657129793. The cubic root of 3105228 is about 145.8918947030.

It can be divided in two parts, 3105 and 228, that added together give a palindrome (3333).

The spelling of 3105228 in words is "three million, one hundred five thousand, two hundred twenty-eight".