219194196 has 48 divisors (see below), whose sum is σ = 552418944. Its totient is φ = 67245696.

The previous prime is 219194191. The next prime is 219194237. The reversal of 219194196 is 691491912.

It is a happy number.

219194196 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219194191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56305 + ... + 60071.

It is an arithmetic number, because the mean of its divisors is an integer number (11508728).

Almost surely, 2^219194196 is an apocalyptic number.

219194196 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219194196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276209472).

219194196 is an abundant number, since it is smaller than the sum of its proper divisors (333224748).

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

219194196 is a wasteful number, since it uses less digits than its factorization.

219194196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4160 (or 4158 counting only the distinct ones).

The product of its digits is 34992, while the sum is 42.

The square root of 219194196 is about 14805.2084078543. The cubic root of 219194196 is about 602.9431286072.

The spelling of 219194196 in words is "two hundred nineteen million, one hundred ninety-four thousand, one hundred ninety-six".