219819116 has 12 divisors (see below), whose sum is σ = 419654760. Its totient is φ = 99917760.

The previous prime is 219819107. The next prime is 219819121. The reversal of 219819116 is 611918912.

It is a self number, because there is not a number n which added to its sum of digits gives 219819116.

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, 2497901 + ... + 2497988.

It is an arithmetic number, because the mean of its divisors is an integer number (34971230).

Almost surely, 2^219819116 is an apocalyptic number.

It is an amenable number.

219819116 is a deficient number, since it is larger than the sum of its proper divisors (199835644).

219819116 is a wasteful number, since it uses less digits than its factorization.

219819116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4995904 (or 4995902 counting only the distinct ones).

The product of its digits is 7776, while the sum is 38.

The square root of 219819116 is about 14826.2981219184. The cubic root of 219819116 is about 603.5155794554.

The spelling of 219819116 in words is "two hundred nineteen million, eight hundred nineteen thousand, one hundred sixteen".