2217884 has 12 divisors (see below), whose sum is σ = 3910200. Its totient is φ = 1100688.

The previous prime is 2217881. The next prime is 2217907. The reversal of 2217884 is 4887122.

It is a d-powerful number, because it can be written as 2 + 2¹¹ + 1 + 7⁶ + 8 + 8⁷ + 4⁵ .

It is a self number, because there is not a number n which added to its sum of digits gives 2217884.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1439 + ... + 2550.

It is an arithmetic number, because the mean of its divisors is an integer number (325850).

2^2217884 is an apocalyptic number.

It is an amenable number.

2217884 is a deficient number, since it is larger than the sum of its proper divisors (1692316).

2217884 is a wasteful number, since it uses less digits than its factorization.

2217884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4132 (or 4130 counting only the distinct ones).

The product of its digits is 7168, while the sum is 32.

The square root of 2217884 is about 1489.2561901835. The cubic root of 2217884 is about 130.4106148911.

The spelling of 2217884 in words is "two million, two hundred seventeen thousand, eight hundred eighty-four".