3318228 has 18 divisors (see below), whose sum is σ = 8387834. Its totient is φ = 1106064.

The previous prime is 3318223. The next prime is 3318229. The reversal of 3318228 is 8228133.

3318228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2125764 + 1192464 = 1458^2 + 1092^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×3318228² = 22021274119968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3318221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46051 + ... + 46122.

Almost surely, 2^3318228 is an apocalyptic number.

It is an amenable number.

3318228 is an abundant number, since it is smaller than the sum of its proper divisors (5069606).

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

3318228 is a wasteful number, since it uses less digits than its factorization.

3318228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92183 (or 92178 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 3318228 is about 1821.6003952569. The cubic root of 3318228 is about 149.1541728072.

The spelling of 3318228 in words is "three million, three hundred eighteen thousand, two hundred twenty-eight".