219632468 has 12 divisors (see below), whose sum is σ = 419298432. Its totient is φ = 99832920.

The previous prime is 219632461. The next prime is 219632473. The reversal of 219632468 is 864236912.

219632468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (219632461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2495780 + ... + 2495867.

It is an arithmetic number, because the mean of its divisors is an integer number (34941536).

Almost surely, 2^219632468 is an apocalyptic number.

It is an amenable number.

219632468 is a deficient number, since it is larger than the sum of its proper divisors (199665964).

219632468 is a wasteful number, since it uses less digits than its factorization.

219632468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4991662 (or 4991660 counting only the distinct ones).

The product of its digits is 124416, while the sum is 41.

The square root of 219632468 is about 14820.0022941969. The cubic root of 219632468 is about 603.3447164368.

The spelling of 219632468 in words is "two hundred nineteen million, six hundred thirty-two thousand, four hundred sixty-eight".