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2225203081 is a prime number
BaseRepresentation
bin1000010010100001…
…1110011110001001
312202002010000202221
42010220132132021
514024122444311
61004445454041
7106066625353
oct20450363611
95662100687
102225203081
11a42084012
12521271321
1329601711a
1417175c0d3
15d0549671
hex84a1e789

2225203081 has 2 divisors, whose sum is σ = 2225203082. Its totient is φ = 2225203080.

The previous prime is 2225203061. The next prime is 2225203153. The reversal of 2225203081 is 1803025222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2224537225 + 665856 = 47165^2 + 816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2225203081 - 27 = 2225202953 is a prime.

It is a super-2 number, since 2×22252030812 = 9903057503383785122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2225203061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112601540 + 1112601541.

It is an arithmetic number, because the mean of its divisors is an integer number (1112601541).

Almost surely, 22225203081 is an apocalyptic number.

It is an amenable number.

2225203081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2225203081 is an equidigital number, since it uses as much as digits as its factorization.

2225203081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2225203081 is about 47172.0582654605. The cubic root of 2225203081 is about 1305.5391030702.

The spelling of 2225203081 in words is "two billion, two hundred twenty-five million, two hundred three thousand, eighty-one".