4228212 has 48 divisors (see below), whose sum is σ = 10342080. Its totient is φ = 1343232.

The previous prime is 4228199. The next prime is 4228243. The reversal of 4228212 is 2128224.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39463 + ... + 39569.

It is an arithmetic number, because the mean of its divisors is an integer number (215460).

Almost surely, 2^4228212 is an apocalyptic number.

It is an amenable number.

4228212 is an abundant number, since it is smaller than the sum of its proper divisors (6113868).

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

4228212 is a wasteful number, since it uses less digits than its factorization.

4228212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 238 counting only the distinct ones).

The product of its digits is 512, while the sum is 21.

The square root of 4228212 is about 2056.2616565019. The cubic root of 4228212 is about 161.7033130986.

The spelling of 4228212 in words is "four million, two hundred twenty-eight thousand, two hundred twelve".