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22271339 is a prime number
BaseRepresentation
bin101010011110…
…1010101101011
31112220111112102
41110331111223
521200140324
62113204015
7360206006
oct124752553
945814472
1022271339
1111631872
12756060b
1347ca20c
142d5a53d
151e4ddae
hex153d56b

22271339 has 2 divisors, whose sum is σ = 22271340. Its totient is φ = 22271338.

The previous prime is 22271311. The next prime is 22271341. The reversal of 22271339 is 93317222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22271339 - 28 = 22271083 is a prime.

Together with 22271341, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22271239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135669 + 11135670.

It is an arithmetic number, because the mean of its divisors is an integer number (11135670).

Almost surely, 222271339 is an apocalyptic number.

22271339 is a deficient number, since it is larger than the sum of its proper divisors (1).

22271339 is an equidigital number, since it uses as much as digits as its factorization.

22271339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4536, while the sum is 29.

The square root of 22271339 is about 4719.2519534350. The cubic root of 22271339 is about 281.3512028224.

The spelling of 22271339 in words is "twenty-two million, two hundred seventy-one thousand, three hundred thirty-nine".