2208499920 has 480 divisors, whose sum is σ = 8774438400. Its totient is φ = 491765760.

The previous prime is 2208499907. The next prime is 2208499921. The reversal of 2208499920 is 299948022.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208499921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6327906 + ... + 6328254.

It is an arithmetic number, because the mean of its divisors is an integer number (18280080).

Almost surely, 2^2208499920 is an apocalyptic number.

2208499920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2208499920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4387219200).

2208499920 is an abundant number, since it is smaller than the sum of its proper divisors (6565938480).

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

2208499920 is a wasteful number, since it uses less digits than its factorization.

2208499920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 2208499920 is about 46994.6796988766. The cubic root of 2208499920 is about 1302.2642826794.

The spelling of 2208499920 in words is "two billion, two hundred eight million, four hundred ninety-nine thousand, nine hundred twenty".