Search a number
-
+
22109027 = 171968449
BaseRepresentation
bin101010001010…
…1101101100011
31112121020212212
41110111231203
521124442102
62105512335
7355631543
oct124255543
945536785
1022109027
1111530926
1274a26ab
134771385
142d17323
151e1ac52
hex1515b63

22109027 has 8 divisors (see below), whose sum is σ = 24642000. Its totient is φ = 19713024.

The previous prime is 22108997. The next prime is 22109029. The reversal of 22109027 is 72090122.

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

It is a cyclic number.

It is not a de Polignac number, because 22109027 - 28 = 22108771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22108993 and 22109011.

It is not an unprimeable number, because it can be changed into a prime (22109029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33902 + ... + 34547.

It is an arithmetic number, because the mean of its divisors is an integer number (3080250).

Almost surely, 222109027 is an apocalyptic number.

22109027 is a deficient number, since it is larger than the sum of its proper divisors (2532973).

22109027 is a wasteful number, since it uses less digits than its factorization.

22109027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68485.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 22109027 is about 4702.0237132537. The cubic root of 22109027 is about 280.6660461981. Note that the first 3 decimals are identical.

Adding to 22109027 its reverse (72090122), we get a palindrome (94199149).

The spelling of 22109027 in words is "twenty-two million, one hundred nine thousand, twenty-seven".

Divisors: 1 17 19 323 68449 1163633 1300531 22109027