2208993490 has 32 divisors (see below), whose sum is σ = 4443465600. Its totient is φ = 783676800.

The previous prime is 2208993487. The next prime is 2208993491. The reversal of 2208993490 is 943998022.

It is a self number, because there is not a number n which added to its sum of digits gives 2208993490.

It is not an unprimeable number, because it can be changed into a prime (2208993491) 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 15 ways as a sum of consecutive naturals, for example, 240390 + ... + 249409.

It is an arithmetic number, because the mean of its divisors is an integer number (138858300).

Almost surely, 2^2208993490 is an apocalyptic number.

2208993490 is an abundant number, since it is smaller than the sum of its proper divisors (2234472110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2208993490 is a wasteful number, since it uses less digits than its factorization.

2208993490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489858.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 2208993490 is about 46999.9307446298. The cubic root of 2208993490 is about 1302.3612882984.

The spelling of 2208993490 in words is "two billion, two hundred eight million, nine hundred ninety-three thousand, four hundred ninety".