19429422 has 8 divisors (see below), whose sum is σ = 38858856. Its totient is φ = 6476472.

The previous prime is 19429409. The next prime is 19429427. The reversal of 19429422 is 22492491.

It is a sphenic number, since it is the product of 3 distinct primes.

19429422 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19429427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1619113 + ... + 1619124.

It is an arithmetic number, because the mean of its divisors is an integer number (4857357).

Almost surely, 2^19429422 is an apocalyptic number.

19429422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

19429422 is a wasteful number, since it uses less digits than its factorization.

19429422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3238242.

The product of its digits is 10368, while the sum is 33.

The square root of 19429422 is about 4407.8818042230. The cubic root of 19429422 is about 268.8355060896.

The spelling of 19429422 in words is "nineteen million, four hundred twenty-nine thousand, four hundred twenty-two".