19872022 has 8 divisors (see below), whose sum is σ = 29964672. Its totient is φ = 9883800.

The previous prime is 19872019. The next prime is 19872037. The reversal of 19872022 is 22027891.

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, 25629 + ... + 26392.

It is an arithmetic number, because the mean of its divisors is an integer number (3745584).

Almost surely, 2^19872022 is an apocalyptic number.

19872022 is a deficient number, since it is larger than the sum of its proper divisors (10092650).

19872022 is a wasteful number, since it uses less digits than its factorization.

19872022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52214.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 19872022 is about 4457.8046166246. The cubic root of 19872022 is about 270.8615460840.

The spelling of 19872022 in words is "nineteen million, eight hundred seventy-two thousand, twenty-two".