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2205006631 is a prime number
BaseRepresentation
bin1000001101101101…
…1011101100100111
312200200002221110021
42003123123230213
514003440203011
61002444540011
7105433150522
oct20333335447
95620087407
102205006631
11a3173a133
12516551607
13291a95469
1416cbc1bb9
15cd8aa471
hex836dbb27

2205006631 has 2 divisors, whose sum is σ = 2205006632. Its totient is φ = 2205006630.

The previous prime is 2205006613. The next prime is 2205006659. The reversal of 2205006631 is 1366005022.

Together with previous prime (2205006613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2205006631 - 25 = 2205006599 is a prime.

It is a super-2 number, since 2×22050066312 = 9724108485507940322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2205006596 and 2205006605.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2205006611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102503315 + 1102503316.

It is an arithmetic number, because the mean of its divisors is an integer number (1102503316).

Almost surely, 22205006631 is an apocalyptic number.

2205006631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2205006631 is an equidigital number, since it uses as much as digits as its factorization.

2205006631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2205006631 is about 46957.4981339509. The cubic root of 2205006631 is about 1301.5773026292.

The spelling of 2205006631 in words is "two billion, two hundred five million, six thousand, six hundred thirty-one".