2208549 has 16 divisors (see below), whose sum is σ = 3386880. Its totient is φ = 1254000.

The previous prime is 2208517. The next prime is 2208559. The reversal of 2208549 is 9458022.

It is not a de Polignac number, because 2208549 - 2⁵ = 2208517 is a prime.

It is a Curzon number.

2208549 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208559) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062 + ... + 5480.

It is an arithmetic number, because the mean of its divisors is an integer number (211680).

2^2208549 is an apocalyptic number.

It is an amenable number.

2208549 is a deficient number, since it is larger than the sum of its proper divisors (1178331).

2208549 is a wasteful number, since it uses less digits than its factorization.

2208549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 2208549 is about 1486.1187704891. The cubic root of 2208549 is about 130.2273929447.

The spelling of 2208549 in words is "two million, two hundred eight thousand, five hundred forty-nine".