Search a number
-
+
22266030305 = 514929887289
BaseRepresentation
bin10100101111001010…
…001010100011100001
32010110202110112110002
4110233022022203201
5331100100432210
614121234145345
71415526064151
oct245712124341
963422415402
1022266030305
119496659142
124394a22255
13213acb7c7c
141113230761
158a4b7c4a5
hex52f28a8e1

22266030305 has 8 divisors (see below), whose sum is σ = 26898561000. Its totient is φ = 17693274496.

The previous prime is 22266030299. The next prime is 22266030323. The reversal of 22266030305 is 50303066222.

It can be written as a sum of positive squares in 4 ways, for example, as 165045409 + 22100984896 = 12847^2 + 148664^2 .

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 22266030305 - 210 = 22266029281 is a prime.

It is a super-2 number, since 2×222660303052 (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14942900 + ... + 14944389.

It is an arithmetic number, because the mean of its divisors is an integer number (3362320125).

Almost surely, 222266030305 is an apocalyptic number.

It is an amenable number.

22266030305 is a deficient number, since it is larger than the sum of its proper divisors (4632530695).

22266030305 is a wasteful number, since it uses less digits than its factorization.

22266030305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29887443.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 22266030305 its reverse (50303066222), we get a palindrome (72569096527).

The spelling of 22266030305 in words is "twenty-two billion, two hundred sixty-six million, thirty thousand, three hundred five".

Divisors: 1 5 149 745 29887289 149436445 4453206061 22266030305