219943230 has 64 divisors (see below), whose sum is σ = 570060288. Its totient is φ = 53988480.

The previous prime is 219943223. The next prime is 219943231. The reversal of 219943230 is 32349912.

It is a junction number, because it is equal to n+sod(n) for n = 219943191 and 219943200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219943231) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 212815 + ... + 213845.

It is an arithmetic number, because the mean of its divisors is an integer number (8907192).

Almost surely, 2^219943230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219943230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285030144).

219943230 is an abundant number, since it is smaller than the sum of its proper divisors (350117058).

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

219943230 is a wasteful number, since it uses less digits than its factorization.

219943230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 11664, while the sum is 33.

The square root of 219943230 is about 14830.4831344093. The cubic root of 219943230 is about 603.6291434937.

The spelling of 219943230 in words is "two hundred nineteen million, nine hundred forty-three thousand, two hundred thirty".