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2221002239 is a prime number
BaseRepresentation
bin1000010001100001…
…1100110111111111
312201210012121022012
42010120130313333
514022034032424
61004215441435
7106016131121
oct20430346777
95653177265
102221002239
11a3a774945
1251b98627b
132951a6011
14170d87211
15ceeb9b0e
hex8461cdff

2221002239 has 2 divisors, whose sum is σ = 2221002240. Its totient is φ = 2221002238.

The previous prime is 2221002233. The next prime is 2221002263. The reversal of 2221002239 is 9322001222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221002239 - 28 = 2221001983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221002233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110501119 + 1110501120.

It is an arithmetic number, because the mean of its divisors is an integer number (1110501120).

Almost surely, 22221002239 is an apocalyptic number.

2221002239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221002239 is an equidigital number, since it uses as much as digits as its factorization.

2221002239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2221002239 is about 47127.5104265014. The cubic root of 2221002239 is about 1304.7170330339.

The spelling of 2221002239 in words is "two billion, two hundred twenty-one million, two thousand, two hundred thirty-nine".