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2229846449 is a prime number
BaseRepresentation
bin1000010011101000…
…1100000110110001
312202101211221021112
42010322030012301
514031320041244
61005133203105
7106154245025
oct20472140661
95671757245
102229846449
11a44765706
12522930495
13296c8178c
1417220a385
15d0b6539e
hex84e8c1b1

2229846449 has 2 divisors, whose sum is σ = 2229846450. Its totient is φ = 2229846448.

The previous prime is 2229846439. The next prime is 2229846457. The reversal of 2229846449 is 9446489222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2228500849 + 1345600 = 47207^2 + 1160^2 .

It is a cyclic number.

It is not a de Polignac number, because 2229846449 - 220 = 2228797873 is a prime.

It is a super-2 number, since 2×22298464492 = 9944430372235819202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2229846397 and 2229846406.

It is not a weakly prime, because it can be changed into another prime (2229846419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114923224 + 1114923225.

It is an arithmetic number, because the mean of its divisors is an integer number (1114923225).

Almost surely, 22229846449 is an apocalyptic number.

It is an amenable number.

2229846449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2229846449 is an equidigital number, since it uses as much as digits as its factorization.

2229846449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 50.

The square root of 2229846449 is about 47221.2499728671. The cubic root of 2229846449 is about 1306.4465688202.

The spelling of 2229846449 in words is "two billion, two hundred twenty-nine million, eight hundred forty-six thousand, four hundred forty-nine".