19380422 has 4 divisors (see below), whose sum is σ = 29070636. Its totient is φ = 9690210.

The previous prime is 19380419. The next prime is 19380451. The reversal of 19380422 is 22408391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22408391 = 19 ⋅1179389.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 4845104 + ... + 4845107.

It is an arithmetic number, because the mean of its divisors is an integer number (7267659).

Almost surely, 2^19380422 is an apocalyptic number.

19380422 is a deficient number, since it is larger than the sum of its proper divisors (9690214).

19380422 is an equidigital number, since it uses as much as digits as its factorization.

19380422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9690213.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 19380422 is about 4402.3200701448. The cubic root of 19380422 is about 268.6093194131.

The spelling of 19380422 in words is "nineteen million, three hundred eighty thousand, four hundred twenty-two".