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BaseRepresentation
bin101011100110111
31010121221
411130313
51203302
6251211
7122044
oct53467
933557
1022327
1115858
1210b07
13a216
1481cb
156937
hex5737

22327 has 4 divisors (see below), whose sum is σ = 22680. Its totient is φ = 21976.

The previous prime is 22307. The next prime is 22343. The reversal of 22327 is 72322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72322 = 236161.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22327 is a prime.

It is a super-3 number, since 3×223273 = 33389688839349, which contains 333 as substring.

It is a Duffinian number.

22327 is a lucky number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 22327.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52 + ... + 217.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

222327 is an apocalyptic number.

22327 is a deficient number, since it is larger than the sum of its proper divisors (353).

22327 is an equidigital number, since it uses as much as digits as its factorization.

22327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352.

The product of its digits is 168, while the sum is 16.

The square root of 22327 is about 149.4222205698. The cubic root of 22327 is about 28.1585394118.

Adding to 22327 its reverse (72322), we get a palindrome (94649).

The spelling of 22327 in words is "twenty-two thousand, three hundred twenty-seven", and thus it is an iban number.

Divisors: 1 83 269 22327