3012228 has 42 divisors (see below), whose sum is σ = 7911134. Its totient is φ = 1003104.

The previous prime is 3012227. The next prime is 3012271. The reversal of 3012228 is 8222103.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2985984 + 26244 = 1728^2 + 162^2 .

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 3012228.

It is not an unprimeable number, because it can be changed into a prime (3012221) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 2400 + ... + 3432.

Almost surely, 2^3012228 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 3012228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3955567).

3012228 is an abundant number, since it is smaller than the sum of its proper divisors (4898906).

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

3012228 is a wasteful number, since it uses less digits than its factorization.

3012228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1038 counting only the distinct ones).

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

The square root of 3012228 is about 1735.5771374387. The cubic root of 3012228 is about 144.4206450379.

It can be divided in two parts, 3012 and 228, that added together give a triangular number (3240 = T₈₀).

The spelling of 3012228 in words is "three million, twelve thousand, two hundred twenty-eight".