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22026030221 = 132050982613
BaseRepresentation
bin10100100000110110…
…101000110010001101
32002212000212021020002
4110200312220302031
5330102130431341
614041342134045
71406553111356
oct244066506215
962760767202
1022026030221
119383135568
124328581325
1321003670a0
1410cd3d8d2d
1588da7129b
hex520da8c8d

22026030221 has 8 divisors (see below), whose sum is σ = 23721783960. Its totient is φ = 20330482752.

The previous prime is 22026030217. The next prime is 22026030233. The reversal of 22026030221 is 12203062022.

It can be written as a sum of positive squares in 4 ways, for example, as 666207721 + 21359822500 = 25811^2 + 146150^2 .

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 22026030221 - 22 = 22026030217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22026030193 and 22026030202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026030241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225311 + ... + 307923.

It is an arithmetic number, because the mean of its divisors is an integer number (2965222995).

Almost surely, 222026030221 is an apocalyptic number.

It is an amenable number.

22026030221 is a deficient number, since it is larger than the sum of its proper divisors (1695753739).

22026030221 is a wasteful number, since it uses less digits than its factorization.

22026030221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103135.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22026030221 its reverse (12203062022), we get a palindrome (34229092243).

The spelling of 22026030221 in words is "twenty-two billion, twenty-six million, thirty thousand, two hundred twenty-one".

Divisors: 1 13 20509 82613 266617 1073969 1694310017 22026030221