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22108241 is a prime number
BaseRepresentation
bin101010001010…
…1100001010001
31112121012210202
41110111201101
521124430431
62105504545
7355626341
oct124254121
945535722
1022108241
1111530281
1274a2155
134770bcc
142d16d21
151e1a8cb
hex1515851

22108241 has 2 divisors, whose sum is σ = 22108242. Its totient is φ = 22108240.

The previous prime is 22108231. The next prime is 22108253. The reversal of 22108241 is 14280122.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16032016 + 6076225 = 4004^2 + 2465^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22108241 is a prime.

It is a super-2 number, since 2×221082412 = 977548640228162, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22108231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11054120 + 11054121.

It is an arithmetic number, because the mean of its divisors is an integer number (11054121).

Almost surely, 222108241 is an apocalyptic number.

It is an amenable number.

22108241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22108241 is an equidigital number, since it uses as much as digits as its factorization.

22108241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 22108241 is about 4701.9401314776. The cubic root of 22108241 is about 280.6627201641.

Adding to 22108241 its reverse (14280122), we get a palindrome (36388363).

The spelling of 22108241 in words is "twenty-two million, one hundred eight thousand, two hundred forty-one".