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22282 = 213857
BaseRepresentation
bin101011100001010
31010120021
411130022
51203112
6251054
7121651
oct53412
933507
1022282
1115817
1210a8a
13a1b0
148198
156907
hex570a

22282 has 8 divisors (see below), whose sum is σ = 36036. Its totient is φ = 10272.

The previous prime is 22279. The next prime is 22283. The reversal of 22282 is 28222.

It can be written as a sum of positive squares in 2 ways, for example, as 22201 + 81 = 149^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 403 + ... + 454.

222282 is an apocalyptic number.

22282 is a deficient number, since it is larger than the sum of its proper divisors (13754).

22282 is a wasteful number, since it uses less digits than its factorization.

22282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872.

The product of its digits is 128, while the sum is 16.

The square root of 22282 is about 149.2715646063. The cubic root of 22282 is about 28.1396088714.

The spelling of 22282 in words is "twenty-two thousand, two hundred eighty-two".

Divisors: 1 2 13 26 857 1714 11141 22282