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22930247 is a prime number
BaseRepresentation
bin101011101111…
…0001101000111
31121010222101102
41113132031013
521332231442
62135250315
7365622014
oct127361507
947128342
1022930247
1111a4191a
12781999b
13499b0c2
14308c70b
15202e232
hex15de347

22930247 has 2 divisors, whose sum is σ = 22930248. Its totient is φ = 22930246.

The previous prime is 22930217. The next prime is 22930253. The reversal of 22930247 is 74203922.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22930247 - 210 = 22929223 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22930217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11465123 + 11465124.

It is an arithmetic number, because the mean of its divisors is an integer number (11465124).

Almost surely, 222930247 is an apocalyptic number.

22930247 is a deficient number, since it is larger than the sum of its proper divisors (1).

22930247 is an equidigital number, since it uses as much as digits as its factorization.

22930247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 22930247 is about 4788.5537482626. The cubic root of 22930247 is about 284.0989166445.

The spelling of 22930247 in words is "twenty-two million, nine hundred thirty thousand, two hundred forty-seven".