3211228 has 48 divisors (see below), whose sum is σ = 6451200. Its totient is φ = 1391040.

The previous prime is 3211213. The next prime is 3211279. The reversal of 3211228 is 8221123.

3211228 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a congruent number.

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, 68301 + ... + 68347.

It is an arithmetic number, because the mean of its divisors is an integer number (134400).

Almost surely, 2^3211228 is an apocalyptic number.

3211228 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

3211228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3211228 is a wasteful number, since it uses less digits than its factorization.

3211228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 128 counting only the distinct ones).

The product of its digits is 192, while the sum is 19.

The square root of 3211228 is about 1791.9899553290. The cubic root of 3211228 is about 147.5334100321.

The spelling of 3211228 in words is "three million, two hundred eleven thousand, two hundred twenty-eight".