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8622 = 232479
BaseRepresentation
bin10000110101110
3102211100
42012232
5233442
6103530
734065
oct20656
912740
108622
116529
124ba6
133c03
1431dc
15284c
hex21ae

8622 has 12 divisors (see below), whose sum is σ = 18720. Its totient is φ = 2868.

The previous prime is 8609. The next prime is 8623. The reversal of 8622 is 2268.

8622 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 479 = 8622 / (8 + 6 + 2 + 2).

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8595 and 8604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8623) by changing a digit.

8622 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222 + ... + 257.

It is an arithmetic number, because the mean of its divisors is an integer number (1560).

28622 is an apocalyptic number.

8622 is an abundant number, since it is smaller than the sum of its proper divisors (10098).

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

8622 is a wasteful number, since it uses less digits than its factorization.

8622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 484 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 8622 is about 92.8547252433. The cubic root of 8622 is about 20.5054516534.

It can be divided in two parts, 8 and 622, that added together give a triangular number (630 = T35).

The spelling of 8622 in words is "eight thousand, six hundred twenty-two".

Divisors: 1 2 3 6 9 18 479 958 1437 2874 4311 8622