2206659 has 32 divisors (see below), whose sum is σ = 3709440. Its totient is φ = 1135872.

The previous prime is 2206657. The next prime is 2206663. The reversal of 2206659 is 9566022.

2206659 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2206659 - 2¹ = 2206657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2206657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16039 + ... + 16175.

It is an arithmetic number, because the mean of its divisors is an integer number (115920).

2^2206659 is an apocalyptic number.

2206659 is a deficient number, since it is larger than the sum of its proper divisors (1502781).

2206659 is a wasteful number, since it uses less digits than its factorization.

2206659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2206659 is about 1485.4827498157. The cubic root of 2206659 is about 130.1902343071.

The spelling of 2206659 in words is "two million, two hundred six thousand, six hundred fifty-nine".