2209808508 has 24 divisors (see below), whose sum is σ = 5167274112. Its totient is φ = 735023664.

The previous prime is 2209808459. The next prime is 2209808519. The reversal of 2209808508 is 8058089022.

It is a self number, because there is not a number n which added to its sum of digits gives 2209808508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191560 + ... + 202767.

It is an arithmetic number, because the mean of its divisors is an integer number (215303088).

Almost surely, 2^2209808508 is an apocalyptic number.

It is an amenable number.

2209808508 is an abundant number, since it is smaller than the sum of its proper divisors (2957465604).

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

2209808508 is a wasteful number, since it uses less digits than its factorization.

2209808508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394801 (or 394799 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 2209808508 is about 47008.6003620614. The cubic root of 2209808508 is about 1302.5214392724.

The spelling of 2209808508 in words is "two billion, two hundred nine million, eight hundred eight thousand, five hundred eight".