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22555056413 is a prime number
BaseRepresentation
bin10101000000011000…
…101101100100011101
32011012220022120201202
4111000120231210131
5332143043301123
614210041045245
71425635546651
oct250030554435
964186276652
1022555056413
11962481779a
124455786825
132185b42b36
14113d788a61
158c021ea28
hex54062d91d

22555056413 has 2 divisors, whose sum is σ = 22555056414. Its totient is φ = 22555056412.

The previous prime is 22555056409. The next prime is 22555056431. The reversal of 22555056413 is 31465055522.

Together with next prime (22555056431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20585649529 + 1969406884 = 143477^2 + 44378^2 .

It is a cyclic number.

It is not a de Polignac number, because 22555056413 - 22 = 22555056409 is a prime.

It is a super-2 number, since 2×225550564132 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22555058413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277528206 + 11277528207.

It is an arithmetic number, because the mean of its divisors is an integer number (11277528207).

Almost surely, 222555056413 is an apocalyptic number.

It is an amenable number.

22555056413 is a deficient number, since it is larger than the sum of its proper divisors (1).

22555056413 is an equidigital number, since it uses as much as digits as its factorization.

22555056413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 22555056413 in words is "twenty-two billion, five hundred fifty-five million, fifty-six thousand, four hundred thirteen".