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22130 = 252213

22130 has 8 divisors (see below), whose sum is σ = 39852. Its totient is φ = 8848.

The previous prime is 22129. The next prime is 22133. The reversal of 22130 is 3122.

Adding to 22130 its reverse (3122), we get a palindrome (25252).

It can be written as a sum of positive squares in 2 ways, for example, as 20449 + 1681 = 143^2 + 41^2 .

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

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (22133) 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, 1097 + ... + 1116.

222130 is an apocalyptic number.

22130 is a deficient number, since it is larger than the sum of its proper divisors (17722).

22130 is a wasteful number, since it uses less digits than its factorization.

22130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2220.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 22130 is about 148.7615541731. The cubic root of 22130 is about 28.0754766349.

The spelling of 22130 in words is "twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 2213 4426 11065 22130