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220422241 = 1317398009
BaseRepresentation
bin11010010001101…
…10000001100001
3120100202121110201
431020312001201
5422412002431
633512225201
75314362304
oct1510660141
9510677421
10220422241
11103471546
126199b201
1336887980
14213bab3b
1514540461
hexd236061

220422241 has 8 divisors (see below), whose sum is σ = 238752360. Its totient is φ = 202288512.

The previous prime is 220422233. The next prime is 220422253. The reversal of 220422241 is 142224022.

It can be written as a sum of positive squares in 4 ways, for example, as 20793600 + 199628641 = 4560^2 + 14129^2 .

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 220422241 - 23 = 220422233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220422281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46756 + ... + 51253.

It is an arithmetic number, because the mean of its divisors is an integer number (29844045).

Almost surely, 2220422241 is an apocalyptic number.

It is an amenable number.

220422241 is a deficient number, since it is larger than the sum of its proper divisors (18330119).

220422241 is a wasteful number, since it uses less digits than its factorization.

220422241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98195.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 220422241 is about 14846.6238923198. The cubic root of 220422241 is about 604.0670373161.

Adding to 220422241 its reverse (142224022), we get a palindrome (362646263).

The spelling of 220422241 in words is "two hundred twenty million, four hundred twenty-two thousand, two hundred forty-one".

Divisors: 1 13 173 2249 98009 1274117 16955557 220422241