19673422 has 4 divisors (see below), whose sum is σ = 29510136. Its totient is φ = 9836710.

The previous prime is 19673419. The next prime is 19673447. The reversal of 19673422 is 22437691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22437691 = 61 ⋅367831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4918354 + ... + 4918357.

It is an arithmetic number, because the mean of its divisors is an integer number (7377534).

Almost surely, 2^19673422 is an apocalyptic number.

19673422 is a deficient number, since it is larger than the sum of its proper divisors (9836714).

19673422 is an equidigital number, since it uses as much as digits as its factorization.

19673422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836713.

The product of its digits is 18144, while the sum is 34.

The square root of 19673422 is about 4435.4731427436. The cubic root of 19673422 is about 269.9561977411.

The spelling of 19673422 in words is "nineteen million, six hundred seventy-three thousand, four hundred twenty-two".