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6422 = 213219
BaseRepresentation
bin1100100010110
322210212
41210112
5201142
645422
724503
oct14426
98725
106422
114909
123872
132c00
1424aa
151d82
hex1916

6422 has 12 divisors (see below), whose sum is σ = 10980. Its totient is φ = 2808.

The previous prime is 6421. The next prime is 6427. The reversal of 6422 is 2246.

It is a plaindrome in base 14.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6397 and 6406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329 + ... + 347.

It is an arithmetic number, because the mean of its divisors is an integer number (915).

6422 is a deficient number, since it is larger than the sum of its proper divisors (4558).

6422 is a wasteful number, since it uses less digits than its factorization.

6422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47 (or 34 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 6422 is about 80.1373820386. The cubic root of 6422 is about 18.5876049533.

Adding to 6422 its reverse (2246), we get a palindrome (8668).

The spelling of 6422 in words is "six thousand, four hundred twenty-two".

Divisors: 1 2 13 19 26 38 169 247 338 494 3211 6422