2215884 has 24 divisors (see below), whose sum is σ = 5640768. Its totient is φ = 671440.

The previous prime is 2215867. The next prime is 2215901. The reversal of 2215884 is 4885122.

It is an interprime number because it is at equal distance from previous prime (2215867) and next prime (2215901).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8262 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (235032).

2^2215884 is an apocalyptic number.

It is an amenable number.

2215884 is an abundant number, since it is smaller than the sum of its proper divisors (3424884).

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

2215884 is a wasteful number, since it uses less digits than its factorization.

2215884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16805 (or 16803 counting only the distinct ones).

The product of its digits is 5120, while the sum is 30.

The square root of 2215884 is about 1488.5845625963. The cubic root of 2215884 is about 130.3714033921.

It can be divided in two parts, 221 and 5884, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 2215884 in words is "two million, two hundred fifteen thousand, eight hundred eighty-four".