219668852 has 96 divisors (see below), whose sum is σ = 457605120. Its totient is φ = 91445760.

The previous prime is 219668851. The next prime is 219668873. The reversal of 219668852 is 258866912.

It is a junction number, because it is equal to n+sod(n) for n = 219668797 and 219668806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219668851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1729613 + ... + 1729739.

It is an arithmetic number, because the mean of its divisors is an integer number (4766720).

Almost surely, 2^219668852 is an apocalyptic number.

It is an amenable number.

219668852 is an abundant number, since it is smaller than the sum of its proper divisors (237936268).

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

219668852 is a wasteful number, since it uses less digits than its factorization.

219668852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 219668852 is about 14821.2297735377. The cubic root of 219668852 is about 603.3780310044.

The spelling of 219668852 in words is "two hundred nineteen million, six hundred sixty-eight thousand, eight hundred fifty-two".