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22316 = 227797
BaseRepresentation
bin101011100101100
31010121112
411130230
51203231
6251152
7122030
oct53454
933545
1022316
1115848
1210ab8
13a208
1481c0
15692b
hex572c

22316 has 12 divisors (see below), whose sum is σ = 44688. Its totient is φ = 9552.

The previous prime is 22307. The next prime is 22343. The reversal of 22316 is 61322.

22316 is nontrivially palindromic in base 6.

22316 is an admirable number.

It is a super-3 number, since 3×223163 = 33340362151488, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 22316.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 22316.

It is an unprimeable number.

22316 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 3 ways as a sum of consecutive naturals, for example, 371 + ... + 426.

It is an arithmetic number, because the mean of its divisors is an integer number (3724).

222316 is an apocalyptic number.

It is an amenable number.

22316 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 (22344).

22316 is a wasteful number, since it uses less digits than its factorization.

22316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808 (or 806 counting only the distinct ones).

The product of its digits is 72, while the sum is 14.

The square root of 22316 is about 149.3854075872. The cubic root of 22316 is about 28.1539142970.

Adding to 22316 its reverse (61322), we get a palindrome (83638).

The spelling of 22316 in words is "twenty-two thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 797 1594 3188 5579 11158 22316