19796224 has 36 divisors (see below), whose sum is σ = 45164224. Its totient is φ = 8483328.

The previous prime is 19796219. The next prime is 19796263. The reversal of 19796224 is 42269791.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3732 + ... + 7315.

Almost surely, 2^19796224 is an apocalyptic number.

19796224 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19796224 is an abundant number, since it is smaller than the sum of its proper divisors (25368000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19796224 is an equidigital number, since it uses as much as digits as its factorization.

19796224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11070 (or 11056 counting only the distinct ones).

The product of its digits is 54432, while the sum is 40.

The square root of 19796224 is about 4449.2947755796. The cubic root of 19796224 is about 270.5167242289.

The spelling of 19796224 in words is "nineteen million, seven hundred ninety-six thousand, two hundred twenty-four".