19216214 has 8 divisors (see below), whose sum is σ = 28902720. Its totient is φ = 9581976.

The previous prime is 19216213. The next prime is 19216271. The reversal of 19216214 is 41261291.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19216213) by changing a digit.

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, 12134 + ... + 13625.

It is an arithmetic number, because the mean of its divisors is an integer number (3612840).

Almost surely, 2^19216214 is an apocalyptic number.

19216214 is a deficient number, since it is larger than the sum of its proper divisors (9686506).

19216214 is a wasteful number, since it uses less digits than its factorization.

19216214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26134.

The product of its digits is 864, while the sum is 26.

The square root of 19216214 is about 4383.6302307562. The cubic root of 19216214 is about 267.8485351156.

The spelling of 19216214 in words is "nineteen million, two hundred sixteen thousand, two hundred fourteen".