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220477441 is a prime number
BaseRepresentation
bin11010010010000…
…11100000000001
3120100212102012011
431021003200001
5422420234231
633513332521
75315012242
oct1511034001
9510772164
10220477441
111034a9a68
1261a07141
13368a6b32
14213d2cc9
15145519b1
hexd243801

220477441 has 2 divisors, whose sum is σ = 220477442. Its totient is φ = 220477440.

The previous prime is 220477427. The next prime is 220477457. The reversal of 220477441 is 144774022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 158130625 + 62346816 = 12575^2 + 7896^2 .

It is a cyclic number.

It is not a de Polignac number, because 220477441 - 211 = 220475393 is a prime.

It is a super-2 number, since 2×2204774412 = 97220603979816962, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (220477421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110238720 + 110238721.

It is an arithmetic number, because the mean of its divisors is an integer number (110238721).

Almost surely, 2220477441 is an apocalyptic number.

It is an amenable number.

220477441 is a deficient number, since it is larger than the sum of its proper divisors (1).

220477441 is an equidigital number, since it uses as much as digits as its factorization.

220477441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12544, while the sum is 31.

The square root of 220477441 is about 14848.4827844464. The cubic root of 220477441 is about 604.1174582979.

The spelling of 220477441 in words is "two hundred twenty million, four hundred seventy-seven thousand, four hundred forty-one".