212846228 has 12 divisors (see below), whose sum is σ = 425692512. Its totient is φ = 91219800.

The previous prime is 212846213. The next prime is 212846261. The reversal of 212846228 is 822648212.

212846228 is an admirable number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3800798 + ... + 3800853.

It is an arithmetic number, because the mean of its divisors is an integer number (35474376).

Almost surely, 2^212846228 is an apocalyptic number.

212846228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

212846228 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

212846228 is a wasteful number, since it uses less digits than its factorization.

212846228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7601662 (or 7601660 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 212846228 is about 14589.2504262556. The cubic root of 212846228 is about 597.0655121064.

The spelling of 212846228 in words is "two hundred twelve million, eight hundred forty-six thousand, two hundred twenty-eight".