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22130027 = 97722651
BaseRepresentation
bin101010001101…
…0110101101011
31112122022200122
41110122311223
521131130102
62110153455
7356050013
oct124326553
945568618
1022130027
1111545687
1274b288b
13477aaba
142d20c43
151e220a2
hex151ad6b

22130027 has 4 divisors (see below), whose sum is σ = 22153656. Its totient is φ = 22106400.

The previous prime is 22129999. The next prime is 22130029. The reversal of 22130027 is 72003122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22130027 - 28 = 22129771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22129987 and 22130014.

It is not an unprimeable number, because it can be changed into a prime (22130029) 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, 10349 + ... + 12302.

It is an arithmetic number, because the mean of its divisors is an integer number (5538414).

Almost surely, 222130027 is an apocalyptic number.

22130027 is a deficient number, since it is larger than the sum of its proper divisors (23629).

22130027 is an equidigital number, since it uses as much as digits as its factorization.

22130027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23628.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22130027 is about 4704.2562642781. The cubic root of 22130027 is about 280.7548805287.

Adding to 22130027 its reverse (72003122), we get a palindrome (94133149).

The spelling of 22130027 in words is "twenty-two million, one hundred thirty thousand, twenty-seven".

Divisors: 1 977 22651 22130027