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2225567081 is a prime number
BaseRepresentation
bin1000010010100111…
…0111010101101001
312202002210112002102
42010221313111221
514024221121311
61004501343145
7106103002523
oct20451672551
95662715072
102225567081
11a42302541
12521407ab5
132961139ca
14171814a13
15d05bc43b
hex84a77569

2225567081 has 2 divisors, whose sum is σ = 2225567082. Its totient is φ = 2225567080.

The previous prime is 2225567059. The next prime is 2225567107. The reversal of 2225567081 is 1807655222.

2225567081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1919841856 + 305725225 = 43816^2 + 17485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2225567081 is a prime.

It is a super-2 number, since 2×22255670812 = 9906297664061721122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2225567011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112783540 + 1112783541.

It is an arithmetic number, because the mean of its divisors is an integer number (1112783541).

Almost surely, 22225567081 is an apocalyptic number.

It is an amenable number.

2225567081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225567081 is an equidigital number, since it uses as much as digits as its factorization.

2225567081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 2225567081 is about 47175.9163239041. The cubic root of 2225567081 is about 1305.6102861348.

The spelling of 2225567081 in words is "two billion, two hundred twenty-five million, five hundred sixty-seven thousand, eighty-one".