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2201220449 is a prime number
BaseRepresentation
bin1000001100110011…
…1111010101100001
312200101222120210022
42003030333111201
514002003023244
61002231443225
7105356031221
oct20314772541
95611876708
102201220449
11a2a59355a
12515226515
1329106b00c
1416c4b8081
15cd3ad6ee
hex8333f561

2201220449 has 2 divisors, whose sum is σ = 2201220450. Its totient is φ = 2201220448.

The previous prime is 2201220431. The next prime is 2201220473. The reversal of 2201220449 is 9440221022.

It is a happy number.

2201220449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1614030625 + 587189824 = 40175^2 + 24232^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201220449 - 220 = 2200171873 is a prime.

It is not a weakly prime, because it can be changed into another prime (2201220409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100610224 + 1100610225.

It is an arithmetic number, because the mean of its divisors is an integer number (1100610225).

Almost surely, 22201220449 is an apocalyptic number.

It is an amenable number.

2201220449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2201220449 is an equidigital number, since it uses as much as digits as its factorization.

2201220449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 2201220449 is about 46917.1658244613. The cubic root of 2201220449 is about 1300.8319032305.

The spelling of 2201220449 in words is "two billion, two hundred one million, two hundred twenty thousand, four hundred forty-nine".