2208291 has 4 divisors (see below), whose sum is σ = 2944392. Its totient is φ = 1472192.

The previous prime is 2208281. The next prime is 2208319. The reversal of 2208291 is 1928022.

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 2208291 - 2⁵ = 2208259 is a prime.

It is a D-number.

2208291 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2208281) 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, 368046 + ... + 368051.

It is an arithmetic number, because the mean of its divisors is an integer number (736098).

2^2208291 is an apocalyptic number.

2208291 is a deficient number, since it is larger than the sum of its proper divisors (736101).

2208291 is an equidigital number, since it uses as much as digits as its factorization.

2208291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736100.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 2208291 is about 1486.0319646629. The cubic root of 2208291 is about 130.2223217455. Note that the first 3 decimals are identical.

The spelling of 2208291 in words is "two million, two hundred eight thousand, two hundred ninety-one".