30422 has 16 divisors (see below), whose sum is σ = 54432. Its totient is φ = 12480.
The previous prime is 30403. The next prime is 30427. The reversal of 30422 is 22403.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30427) by changing a digit.
30422 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 in 7 ways as a sum of consecutive naturals, for example, 548 + ... + 600.
It is an arithmetic number, because the mean of its divisors is an integer number (3402).
230422 is an apocalyptic number.
30422 is a deficient number, since it is larger than the sum of its proper divisors (24010).
30422 is a wasteful number, since it uses less digits than its factorization.
30422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 103.
The product of its (nonzero) digits is 48, while the sum is 11.
The square root of 30422 is about 174.4190356584. The cubic root of 30422 is about 31.2173418822.
Adding to 30422 its reverse (22403), we get a palindrome (52825).
It can be divided in two parts, 3042 and 2, that multiplied together give a square (6084 = 782).
The spelling of 30422 in words is "thirty thousand, four hundred twenty-two".
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