2212028 has 48 divisors (see below), whose sum is σ = 4892160. Its totient is φ = 851904.

The previous prime is 2212009. The next prime is 2212039. The reversal of 2212028 is 8202122.

It is a junction number, because it is equal to n+sod(n) for n = 2211997 and 2212015.

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, 21425 + ... + 21527.

It is an arithmetic number, because the mean of its divisors is an integer number (101920).

2^2212028 is an apocalyptic number.

2212028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2446080).

2212028 is an abundant number, since it is smaller than the sum of its proper divisors (2680132).

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

2212028 is a wasteful number, since it uses less digits than its factorization.

2212028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2212028 is about 1487.2888085372. The cubic root of 2212028 is about 130.2957369743.

The spelling of 2212028 in words is "two million, two hundred twelve thousand, twenty-eight".