2212284 has 48 divisors (see below), whose sum is σ = 5626880. Its totient is φ = 673920.

The previous prime is 2212277. The next prime is 2212297. The reversal of 2212284 is 4822122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212284.

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, 6912 + ... + 7224.

2^2212284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2813440).

2212284 is an abundant number, since it is smaller than the sum of its proper divisors (3414596).

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

2212284 is a wasteful number, since it uses less digits than its factorization.

2212284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 368 counting only the distinct ones).

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

The square root of 2212284 is about 1487.3748686864. The cubic root of 2212284 is about 130.3007631948.

The spelling of 2212284 in words is "two million, two hundred twelve thousand, two hundred eighty-four".