219530468 has 24 divisors (see below), whose sum is σ = 397555200. Its totient is φ = 105960960.

The previous prime is 219530459. The next prime is 219530471. The reversal of 219530468 is 864035912.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 53705 + ... + 57647.

It is an arithmetic number, because the mean of its divisors is an integer number (16564800).

Almost surely, 2^219530468 is an apocalyptic number.

It is an amenable number.

219530468 is a deficient number, since it is larger than the sum of its proper divisors (178024732).

219530468 is a wasteful number, since it uses less digits than its factorization.

219530468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4427 (or 4425 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 219530468 is about 14816.5605995454. The cubic root of 219530468 is about 603.2513017565.

The spelling of 219530468 in words is "two hundred nineteen million, five hundred thirty thousand, four hundred sixty-eight".