219885808 has 20 divisors (see below), whose sum is σ = 430423840. Its totient is φ = 108808704.

The previous prime is 219885797. The next prime is 219885811. The reversal of 219885808 is 808588912.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 69288 + ... + 72391.

It is an arithmetic number, because the mean of its divisors is an integer number (21521192).

Almost surely, 2^219885808 is an apocalyptic number.

It is an amenable number.

219885808 is a deficient number, since it is larger than the sum of its proper divisors (210538032).

219885808 is a wasteful number, since it uses less digits than its factorization.

219885808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141784 (or 141778 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 49.

The square root of 219885808 is about 14828.5470630133. The cubic root of 219885808 is about 603.5766078014.

The spelling of 219885808 in words is "two hundred nineteen million, eight hundred eighty-five thousand, eight hundred eight".