219688972 has 6 divisors (see below), whose sum is σ = 384455708. Its totient is φ = 109844484.

The previous prime is 219688969. The next prime is 219688979. The reversal of 219688972 is 279886912.

It is not an unprimeable number, because it can be changed into a prime (219688979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27461118 + ... + 27461125.

Almost surely, 2^219688972 is an apocalyptic number.

It is an amenable number.

219688972 is a deficient number, since it is larger than the sum of its proper divisors (164766736).

219688972 is a wasteful number, since it uses less digits than its factorization.

219688972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54922247 (or 54922245 counting only the distinct ones).

The product of its digits is 870912, while the sum is 52.

The square root of 219688972 is about 14821.9085140882. The cubic root of 219688972 is about 603.3964520584.

The spelling of 219688972 in words is "two hundred nineteen million, six hundred eighty-eight thousand, nine hundred seventy-two".