27922 has 8 divisors (see below), whose sum is σ = 43776. Its totient is φ = 13332.

The previous prime is 27919. The next prime is 27941. The reversal of 27922 is 22972.

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

It is a nialpdrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 27893 and 27902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258 + ... + 349.

It is an arithmetic number, because the mean of its divisors is an integer number (5472).

2²⁷⁹²² is an apocalyptic number.

27922 is a deficient number, since it is larger than the sum of its proper divisors (15854).

27922 is a wasteful number, since it uses less digits than its factorization.

27922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632.

The product of its digits is 504, while the sum is 22.

The square root of 27922 is about 167.0987731852. The cubic root of 27922 is about 30.3376665977.

Subtracting from 27922 its reverse (22972), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 27 and 922, that added together give a palindrome (949).

The spelling of 27922 in words is "twenty-seven thousand, nine hundred twenty-two".