2209808448 has 168 divisors, whose sum is σ = 6508175960. Its totient is φ = 716636160.

The previous prime is 2209808437. The next prime is 2209808459. The reversal of 2209808448 is 8448089022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2209808437) and next prime (2209808459).

It can be written as a sum of positive squares in 4 ways, for example, as 589906944 + 1619901504 = 24288^2 + 40248^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3829536 + ... + 3830112.

Almost surely, 2^2209808448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2209808448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3254087980).

2209808448 is an abundant number, since it is smaller than the sum of its proper divisors (4298367512).

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

2209808448 is a wasteful number, since it uses less digits than its factorization.

2209808448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 2209808448 is about 47008.5997238803. The cubic root of 2209808448 is about 1302.5214274839.

The spelling of 2209808448 in words is "two billion, two hundred nine million, eight hundred eight thousand, four hundred forty-eight".