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10022213281 is a prime number
BaseRepresentation
bin10010101010101111…
…01101011010100001
3221212110120012000111
421111113231122201
5131011141311111
64334254451321
7503234256463
oct112527553241
927773505014
1010022213281
1142833071a3
121b38503b41
13c39497122
146b10a6133
153d9ce9a21
hex2555ed6a1

10022213281 has 2 divisors, whose sum is σ = 10022213282. Its totient is φ = 10022213280.

The previous prime is 10022213249. The next prime is 10022213353. The reversal of 10022213281 is 18231222001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7123360000 + 2898853281 = 84400^2 + 53841^2 .

It is a cyclic number.

It is not a de Polignac number, because 10022213281 - 25 = 10022213249 is a prime.

It is a super-2 number, since 2×100222132812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10022253281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5011106640 + 5011106641.

It is an arithmetic number, because the mean of its divisors is an integer number (5011106641).

Almost surely, 210022213281 is an apocalyptic number.

It is an amenable number.

10022213281 is a deficient number, since it is larger than the sum of its proper divisors (1).

10022213281 is an equidigital number, since it uses as much as digits as its factorization.

10022213281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 10022213281 its reverse (18231222001), we get a palindrome (28253435282).

The spelling of 10022213281 in words is "ten billion, twenty-two million, two hundred thirteen thousand, two hundred eighty-one".