2206684 has 6 divisors (see below), whose sum is σ = 3861704. Its totient is φ = 1103340.

The previous prime is 2206681. The next prime is 2206709. The reversal of 2206684 is 4866022.

It is a d-powerful number, because it can be written as 2¹¹ + 2¹⁹ + 0 + 6³ + 6⁸ + 8³ + 4 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2206681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275832 + ... + 275839.

2^2206684 is an apocalyptic number.

It is an amenable number.

2206684 is a deficient number, since it is larger than the sum of its proper divisors (1655020).

2206684 is a wasteful number, since it uses less digits than its factorization.

2206684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551675 (or 551673 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 2206684 is about 1485.4911645648. The cubic root of 2206684 is about 130.1907259619.

The spelling of 2206684 in words is "two million, two hundred six thousand, six hundred eighty-four".