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2201221223 is a prime number
BaseRepresentation
bin1000001100110011…
…1111100001100111
312200101222121211222
42003030333201213
514002003034343
61002231450555
7105356033405
oct20314774147
95611877758
102201221223
11a2a5940a3
12515226a5b
1329106b486
1416c4b8475
15cd3ada68
hex8333f867

2201221223 has 2 divisors, whose sum is σ = 2201221224. Its totient is φ = 2201221222.

The previous prime is 2201221207. The next prime is 2201221229. The reversal of 2201221223 is 3221221022.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2201221223 - 24 = 2201221207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2201221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610611 + 1100610612.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610612).

Almost surely, 22201221223 is an apocalyptic number.

2201221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201221223 is an equidigital number, since it uses as much as digits as its factorization.

2201221223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2201221223 is about 46917.1740730407. The cubic root of 2201221223 is about 1300.8320556980.

Adding to 2201221223 its reverse (3221221022), we get a palindrome (5422442245).

The spelling of 2201221223 in words is "two billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-three".