43422 has 8 divisors (see below), whose sum is σ = 86856. Its totient is φ = 14472.

The previous prime is 43411. The next prime is 43427. The reversal of 43422 is 22434.

It is a happy number.

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

43422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43427) 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, 3613 + ... + 3624.

It is an arithmetic number, because the mean of its divisors is an integer number (10857).

2⁴³⁴²² is an apocalyptic number.

43422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43428).

43422 is a wasteful number, since it uses less digits than its factorization.

43422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242.

The product of its digits is 192, while the sum is 15.

The square root of 43422 is about 208.3794615599. The cubic root of 43422 is about 35.1482150032.

Adding to 43422 its reverse (22434), we get a palindrome (65856).

It can be divided in two parts, 43 and 422, that added together give a triangular number (465 = T₃₀).

The spelling of 43422 in words is "forty-three thousand, four hundred twenty-two", and thus it is an iban number.