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2002222049 is a prime number
BaseRepresentation
bin111011101010111…
…0111101111100001
312011112112102022012
41313111313233201
513100032101144
6530402322305
7100421415032
oct16725675741
95145472265
102002222049
11938225073
1247a659395
1325ba74899
1414dcb6a89
15baba0e9e
hex77577be1

2002222049 has 2 divisors, whose sum is σ = 2002222050. Its totient is φ = 2002222048.

The previous prime is 2002222021. The next prime is 2002222051. The reversal of 2002222049 is 9402222002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1424685025 + 577537024 = 37745^2 + 24032^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2002222049 is a prime.

It is a Sophie Germain prime.

Together with 2002222051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2002222009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001111024 + 1001111025.

It is an arithmetic number, because the mean of its divisors is an integer number (1001111025).

Almost surely, 22002222049 is an apocalyptic number.

It is an amenable number.

2002222049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002222049 is an equidigital number, since it uses as much as digits as its factorization.

2002222049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2002222049 is about 44746.1959165246. The cubic root of 2002222049 is about 1260.3874782512.

The spelling of 2002222049 in words is "two billion, two million, two hundred twenty-two thousand, forty-nine".