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22030 = 252203
BaseRepresentation
bin101011000001110
31010012221
411120032
51201110
6245554
7121141
oct53016
933187
1022030
1115608
12108ba
13a048
148058
1567da
hex560e

22030 has 8 divisors (see below), whose sum is σ = 39672. Its totient is φ = 8808.

The previous prime is 22027. The next prime is 22031. The reversal of 22030 is 3022.

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 (22031) 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, 1092 + ... + 1111.

It is an arithmetic number, because the mean of its divisors is an integer number (4959).

222030 is an apocalyptic number.

22030 is a deficient number, since it is larger than the sum of its proper divisors (17642).

22030 is a wasteful number, since it uses less digits than its factorization.

22030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210.

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

The square root of 22030 is about 148.4250652686. The cubic root of 22030 is about 28.0331240640.

Adding to 22030 its reverse (3022), we get a palindrome (25052).

The spelling of 22030 in words is "twenty-two thousand, thirty".

Divisors: 1 2 5 10 2203 4406 11015 22030