27422 has 4 divisors (see below), whose sum is σ = 41136. Its totient is φ = 13710.

The previous prime is 27409. The next prime is 27427. The reversal of 27422 is 22472.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27427) by changing a digit.

27422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6854 + ... + 6857.

It is an arithmetic number, because the mean of its divisors is an integer number (10284).

2²⁷⁴²² is an apocalyptic number.

27422 is a deficient number, since it is larger than the sum of its proper divisors (13714).

27422 is a wasteful number, since it uses less digits than its factorization.

27422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13713.

The product of its digits is 224, while the sum is 17.

The square root of 27422 is about 165.5958936689. The cubic root of 27422 is about 30.1554890096.

Adding to 27422 its reverse (22472), we get a palindrome (49894).

Subtracting from 27422 its reverse (22472), we obtain a triangular number (4950 = T₉₉).

It can be divided in two parts, 2742 and 2, that added together give a cube (2744 = 14³).

The spelling of 27422 in words is "twenty-seven thousand, four hundred twenty-two", and thus it is an iban number.