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22300 = 2252223
BaseRepresentation
bin101011100011100
31010120221
411130130
51203200
6251124
7122005
oct53434
933527
1022300
1115833
1210aa4
13a1c5
1481ac
15691a
hex571c

22300 has 18 divisors (see below), whose sum is σ = 48608. Its totient is φ = 8880.

The previous prime is 22291. The next prime is 22303. The reversal of 22300 is 322.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303) by changing a digit.

22300 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 5 ways as a sum of consecutive naturals, for example, 12 + ... + 211.

222300 is an apocalyptic number.

22300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22300 is an abundant number, since it is smaller than the sum of its proper divisors (26308).

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

22300 is a wasteful number, since it uses less digits than its factorization.

22300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 7.

The square root of 22300 is about 149.3318452307. The cubic root of 22300 is about 28.1471841433.

Adding to 22300 its reverse (322), we get a palindrome (22622).

The spelling of 22300 in words is "twenty-two thousand, three hundred", and thus it is an iban number.

Divisors: 1 2 4 5 10 20 25 50 100 223 446 892 1115 2230 4460 5575 11150 22300