19922 has 8 divisors (see below), whose sum is σ = 34176. Its totient is φ = 8532.

The previous prime is 19919. The next prime is 19927. The reversal of 19922 is 22991.

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

It is a nialpdrome in base 12.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 19922.

It is not an unprimeable number, because it can be changed into a prime (19927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698 + ... + 725.

It is an arithmetic number, because the mean of its divisors is an integer number (4272).

2¹⁹⁹²² is an apocalyptic number.

19922 is a deficient number, since it is larger than the sum of its proper divisors (14254).

19922 is a wasteful number, since it uses less digits than its factorization.

19922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its digits is 324, while the sum is 23.

The square root of 19922 is about 141.1453151897. The cubic root of 19922 is about 27.1088427636.

The spelling of 19922 in words is "nineteen thousand, nine hundred twenty-two".