2208997216 has 24 divisors (see below), whose sum is σ = 4357851624. Its totient is φ = 1102241280.

The previous prime is 2208997207. The next prime is 2208997243. The reversal of 2208997216 is 6127998022.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54585 + ... + 86008.

It is an arithmetic number, because the mean of its divisors is an integer number (181577151).

Almost surely, 2^2208997216 is an apocalyptic number.

It is an amenable number.

2208997216 is a deficient number, since it is larger than the sum of its proper divisors (2148854408).

2208997216 is a wasteful number, since it uses less digits than its factorization.

2208997216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141094 (or 141086 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 2208997216 is about 46999.9703829694. The cubic root of 2208997216 is about 1302.3620205467.

The spelling of 2208997216 in words is "two billion, two hundred eight million, nine hundred ninety-seven thousand, two hundred sixteen".