219769230 has 64 divisors (see below), whose sum is σ = 546766848. Its totient is φ = 56474880.

The previous prime is 219769223. The next prime is 219769241. The reversal of 219769230 is 32967912.

219769230 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 355882 + ... + 356498.

It is an arithmetic number, because the mean of its divisors is an integer number (8543232).

Almost surely, 2^219769230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 219769230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273383424).

219769230 is an abundant number, since it is smaller than the sum of its proper divisors (326997618).

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

219769230 is a wasteful number, since it uses less digits than its factorization.

219769230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 219769230 is about 14824.6156779864. The cubic root of 219769230 is about 603.4699218309.

The spelling of 219769230 in words is "two hundred nineteen million, seven hundred sixty-nine thousand, two hundred thirty".