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22244232331 is a prime number
BaseRepresentation
bin10100101101110111…
…000000110010001011
32010102020110002020201
4110231313000302023
5331024010413311
614115135033031
71415142566206
oct245567006213
963366402221
1022244232331
11948531aa92
12438966b777
132136625369
14111039893d
158a2cc39c1
hex52ddc0c8b

22244232331 has 2 divisors, whose sum is σ = 22244232332. Its totient is φ = 22244232330.

The previous prime is 22244232271. The next prime is 22244232379. The reversal of 22244232331 is 13323244222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22244232331 - 27 = 22244232203 is a prime.

It is a super-2 number, since 2×222442323312 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22244232331.

It is not a weakly prime, because it can be changed into another prime (22244230331) 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, 11122116165 + 11122116166.

It is an arithmetic number, because the mean of its divisors is an integer number (11122116166).

Almost surely, 222244232331 is an apocalyptic number.

22244232331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22244232331 is an equidigital number, since it uses as much as digits as its factorization.

22244232331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 28.

Adding to 22244232331 its reverse (13323244222), we get a palindrome (35567476553).

The spelling of 22244232331 in words is "twenty-two billion, two hundred forty-four million, two hundred thirty-two thousand, three hundred thirty-one".