Adding to 40422 its reverse (22404), we get a palindrome (62826).
It is a sphenic number, since it is the product of 3 distinct primes.
40422 is an admirable number.
It is a congruent number.
40422 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
240422 is an apocalyptic number.
40422 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.
40422 is a wasteful number, since it uses less digits than its factorization.
40422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6742.
The square root of 40422 is about 201.0522320194. The cubic root of 40422 is about 34.3193667599.
The spelling of 40422 in words is "forty thousand, four hundred twenty-two", and thus it is an iban number.