19822472 has 16 divisors (see below), whose sum is σ = 39123600. Its totient is φ = 9389520.

The previous prime is 19822463. The next prime is 19822483. The reversal of 19822472 is 27422891.

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 3 ways as a sum of consecutive naturals, for example, 65054 + ... + 65357.

It is an arithmetic number, because the mean of its divisors is an integer number (2445225).

Almost surely, 2^19822472 is an apocalyptic number.

It is an amenable number.

19822472 is a deficient number, since it is larger than the sum of its proper divisors (19301128).

19822472 is a wasteful number, since it uses less digits than its factorization.

19822472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130436 (or 130432 counting only the distinct ones).

The product of its digits is 16128, while the sum is 35.

The square root of 19822472 is about 4452.2434794157. The cubic root of 19822472 is about 270.6362316506.

The spelling of 19822472 in words is "nineteen million, eight hundred twenty-two thousand, four hundred seventy-two".