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22494430471 is a prime number
BaseRepresentation
bin10100111100110001…
…011100010100000111
32011001200020110120111
4110330301130110013
5332032033233341
614200033413451
71424301334642
oct247461342407
964050213514
1022494430471
1195a3579607
12443940a287
132176406cb6
1411356c6a59
158b9c46681
hex53cc5c507

22494430471 has 2 divisors, whose sum is σ = 22494430472. Its totient is φ = 22494430470.

The previous prime is 22494430463. The next prime is 22494430489. The reversal of 22494430471 is 17403449422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22494430471 - 23 = 22494430463 is a prime.

It is a super-3 number, since 3×224944304713 (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22494430421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11247215235 + 11247215236.

It is an arithmetic number, because the mean of its divisors is an integer number (11247215236).

Almost surely, 222494430471 is an apocalyptic number.

22494430471 is a deficient number, since it is larger than the sum of its proper divisors (1).

22494430471 is an equidigital number, since it uses as much as digits as its factorization.

22494430471 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 22494430471 its reverse (17403449422), we get a palindrome (39897879893).

The spelling of 22494430471 in words is "twenty-two billion, four hundred ninety-four million, four hundred thirty thousand, four hundred seventy-one".