2208834491 has 4 divisors (see below), whose sum is σ = 2229477912. Its totient is φ = 2188191072.

The previous prime is 2208834487. The next prime is 2208834499. The reversal of 2208834491 is 1944388022.

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 2208834491 - 2² = 2208834487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2208834499) 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, 10321550 + ... + 10321763.

It is an arithmetic number, because the mean of its divisors is an integer number (557369478).

Almost surely, 2^2208834491 is an apocalyptic number.

2208834491 is a deficient number, since it is larger than the sum of its proper divisors (20643421).

2208834491 is a wasteful number, since it uses less digits than its factorization.

2208834491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20643420.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 2208834491 is about 46998.2392329755. The cubic root of 2208834491 is about 1302.3300404153.

The spelling of 2208834491 in words is "two billion, two hundred eight million, eight hundred thirty-four thousand, four hundred ninety-one".