19803422 has 8 divisors (see below), whose sum is σ = 29758872. Its totient is φ = 9883800.

The previous prime is 19803379. The next prime is 19803431. The reversal of 19803422 is 22430891.

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

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 in 3 ways as a sum of consecutive naturals, for example, 7529 + ... + 9812.

It is an arithmetic number, because the mean of its divisors is an integer number (3719859).

Almost surely, 2^19803422 is an apocalyptic number.

19803422 is a deficient number, since it is larger than the sum of its proper divisors (9955450).

19803422 is a wasteful number, since it uses less digits than its factorization.

19803422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17914.

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

The square root of 19803422 is about 4450.1035942998. The cubic root of 19803422 is about 270.5495073062.

The spelling of 19803422 in words is "nineteen million, eight hundred three thousand, four hundred twenty-two".