219055956 has 48 divisors (see below), whose sum is σ = 609552384. Its totient is φ = 59865696.

The previous prime is 219055939. The next prime is 219055961. The reversal of 219055956 is 659550912.

219055956 is digitally balanced in base 3, 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 (42).

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 15 ways as a sum of consecutive naturals, for example, 54760 + ... + 58623.

It is an arithmetic number, because the mean of its divisors is an integer number (12699008).

Almost surely, 2^219055956 is an apocalyptic number.

It is an amenable number.

219055956 is an abundant number, since it is smaller than the sum of its proper divisors (390496428).

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

219055956 is a wasteful number, since it uses less digits than its factorization.

219055956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113420 (or 113418 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 42.

The square root of 219055956 is about 14800.5390442375. The cubic root of 219055956 is about 602.8163485067.

The spelling of 219055956 in words is "two hundred nineteen million, fifty-five thousand, nine hundred fifty-six".