3120228 has 48 divisors (see below), whose sum is σ = 8184960. Its totient is φ = 1027872.

The previous prime is 3120217. The next prime is 3120233. The reversal of 3120228 is 8220213.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 3120228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17950 + ... + 18122.

It is an arithmetic number, because the mean of its divisors is an integer number (170520).

Almost surely, 2^3120228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3120228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4092480).

3120228 is an abundant number, since it is smaller than the sum of its proper divisors (5064732).

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

3120228 is a wasteful number, since it uses less digits than its factorization.

3120228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353 (or 345 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3120228 is about 1766.4167118775. The cubic root of 3120228 is about 146.1264307978.

The spelling of 3120228 in words is "three million, one hundred twenty thousand, two hundred twenty-eight".