19430422 has 24 divisors (see below), whose sum is σ = 33927768. Its totient is φ = 8310720.

The previous prime is 19430399. The next prime is 19430431. The reversal of 19430422 is 22403491.

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 in 11 ways as a sum of consecutive naturals, for example, 1753 + ... + 6475.

It is an arithmetic number, because the mean of its divisors is an integer number (1413657).

Almost surely, 2^19430422 is an apocalyptic number.

19430422 is a deficient number, since it is larger than the sum of its proper divisors (14497346).

19430422 is a wasteful number, since it uses less digits than its factorization.

19430422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764 (or 4753 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 19430422 is about 4407.9952359321. The cubic root of 19430422 is about 268.8401181824.

The spelling of 19430422 in words is "nineteen million, four hundred thirty thousand, four hundred twenty-two".