19968022 has 4 divisors (see below), whose sum is σ = 29952036. Its totient is φ = 9984010.

The previous prime is 19968007. The next prime is 19968029. The reversal of 19968022 is 22086991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22086991 = 3301 ⋅6691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19968029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4992004 + ... + 4992007.

It is an arithmetic number, because the mean of its divisors is an integer number (7488009).

Almost surely, 2^19968022 is an apocalyptic number.

19968022 is a deficient number, since it is larger than the sum of its proper divisors (9984014).

19968022 is an equidigital number, since it uses as much as digits as its factorization.

19968022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984013.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 19968022 is about 4468.5592756503. The cubic root of 19968022 is about 271.2970150760.

The spelling of 19968022 in words is "nineteen million, nine hundred sixty-eight thousand, twenty-two".