3222228 has 12 divisors (see below), whose sum is σ = 7518560. Its totient is φ = 1074072.

The previous prime is 3222223. The next prime is 3222239. The reversal of 3222228 is 8222223.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222221) 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, 134248 + ... + 134271.

Almost surely, 2^3222228 is an apocalyptic number.

It is an amenable number.

3222228 is an abundant number, since it is smaller than the sum of its proper divisors (4296332).

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

3222228 is a wasteful number, since it uses less digits than its factorization.

3222228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268526 (or 268524 counting only the distinct ones).

The product of its digits is 768, while the sum is 21.

The square root of 3222228 is about 1795.0565450704. The cubic root of 3222228 is about 147.7016756711.

The spelling of 3222228 in words is "three million, two hundred twenty-two thousand, two hundred twenty-eight".