219332065 has 8 divisors (see below), whose sum is σ = 266370048. Its totient is φ = 173351280.

The previous prime is 219332063. The next prime is 219332081. The reversal of 219332065 is 560233912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 219332065 - 2¹ = 219332063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (219332063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 263841 + ... + 264670.

It is an arithmetic number, because the mean of its divisors is an integer number (33296256).

Almost surely, 2^219332065 is an apocalyptic number.

It is an amenable number.

219332065 is a deficient number, since it is larger than the sum of its proper divisors (47037983).

219332065 is an equidigital number, since it uses as much as digits as its factorization.

219332065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528599.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 219332065 is about 14809.8637738502. The cubic root of 219332065 is about 603.0695153841.

Adding to 219332065 its reverse (560233912), we get a palindrome (779565977).

The spelling of 219332065 in words is "two hundred nineteen million, three hundred thirty-two thousand, sixty-five".