Search a number
-
+
22236 = 22317109
BaseRepresentation
bin101011011011100
31010111120
411123130
51202421
6250540
7121554
oct53334
933446
1022236
1115785
1210a50
13a176
148164
1568c6
hex56dc

22236 has 24 divisors (see below), whose sum is σ = 55440. Its totient is φ = 6912.

The previous prime is 22229. The next prime is 22247. The reversal of 22236 is 63222.

It is a nude number because it is divisible by every one of its digits.

It is a plaindrome in base 9 and base 10.

It is a congruent number.

It is an unprimeable number.

22236 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, 150 + ... + 258.

It is an arithmetic number, because the mean of its divisors is an integer number (2310).

222236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27720).

22236 is an abundant number, since it is smaller than the sum of its proper divisors (33204).

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

22236 is a wasteful number, since it uses less digits than its factorization.

22236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133 (or 131 counting only the distinct ones).

The product of its digits is 144, while the sum is 15.

The square root of 22236 is about 149.1174034109. The cubic root of 22236 is about 28.1202312903.

Adding to 22236 its reverse (63222), we get a palindrome (85458).

The spelling of 22236 in words is "twenty-two thousand, two hundred thirty-six".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 109 204 218 327 436 654 1308 1853 3706 5559 7412 11118 22236