2201808 has 40 divisors (see below), whose sum is σ = 6501568. Its totient is φ = 628992.

The previous prime is 2201807. The next prime is 2201827. The reversal of 2201808 is 8081022.

2201808 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2941 + ... + 3612.

2^2201808 is an apocalyptic number.

2201808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2201808 is an abundant number, since it is smaller than the sum of its proper divisors (4299760).

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

2201808 is a wasteful number, since it uses less digits than its factorization.

2201808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6571 (or 6565 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2201808 is about 1483.8490489265. The cubic root of 2201808 is about 130.0947632529.

The spelling of 2201808 in words is "two million, two hundred one thousand, eight hundred eight".