2208247 has 4 divisors (see below), whose sum is σ = 2218120. Its totient is φ = 2198376.

The previous prime is 2208229. The next prime is 2208257. The reversal of 2208247 is 7428022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2208247 - 2¹⁵ = 2175479 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 2¹⁶ + 0 + 8⁶ + 2²⁰ + 4⁴ + 7⁷ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4593 + ... + 5050.

It is an arithmetic number, because the mean of its divisors is an integer number (554530).

2^2208247 is an apocalyptic number.

2208247 is a deficient number, since it is larger than the sum of its proper divisors (9873).

2208247 is an equidigital number, since it uses as much as digits as its factorization.

2208247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9872.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 2208247 is about 1486.0171600624. The cubic root of 2208247 is about 130.2214568504.

The spelling of 2208247 in words is "two million, two hundred eight thousand, two hundred forty-seven".