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22141349 is a prime number
BaseRepresentation
bin101010001110…
…1100110100101
31112122220012222
41110131212211
521132010344
62110322125
7356125016
oct124354645
945586188
1022141349
111155313a
1274b9345
134782cb9
142d2500d
151e255ee
hex151d9a5

22141349 has 2 divisors, whose sum is σ = 22141350. Its totient is φ = 22141348.

The previous prime is 22141319. The next prime is 22141351. The reversal of 22141349 is 94314122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21252100 + 889249 = 4610^2 + 943^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22141349 is a prime.

Together with 22141351, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22141309) 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, 11070674 + 11070675.

It is an arithmetic number, because the mean of its divisors is an integer number (11070675).

Almost surely, 222141349 is an apocalyptic number.

It is an amenable number.

22141349 is a deficient number, since it is larger than the sum of its proper divisors (1).

22141349 is an equidigital number, since it uses as much as digits as its factorization.

22141349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 26.

The square root of 22141349 is about 4705.4594887216. The cubic root of 22141349 is about 280.8027516079.

The spelling of 22141349 in words is "twenty-two million, one hundred forty-one thousand, three hundred forty-nine".