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4220302081 is a prime number
BaseRepresentation
bin1111101110001100…
…1011001100000001
3101220010020120002111
43323203023030001
532120344131311
61534435415321
7206403655462
oct37343131401
911803216074
104220302081
111876283466
12999454541
13523466788
142c06dcd69
1519a78ed21
hexfb8cb301

4220302081 has 2 divisors, whose sum is σ = 4220302082. Its totient is φ = 4220302080.

The previous prime is 4220302063. The next prime is 4220302109. The reversal of 4220302081 is 1802030224.

4220302081 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., 3732599025 + 487703056 = 61095^2 + 22084^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4220302081 is a prime.

It is a super-2 number, since 2×42203020812 = 35621899309785861122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4220303081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110151040 + 2110151041.

It is an arithmetic number, because the mean of its divisors is an integer number (2110151041).

Almost surely, 24220302081 is an apocalyptic number.

It is an amenable number.

4220302081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220302081 is an equidigital number, since it uses as much as digits as its factorization.

4220302081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4220302081 is about 64963.8521102313. The cubic root of 4220302081 is about 1616.0241477262.

The spelling of 4220302081 in words is "four billion, two hundred twenty million, three hundred two thousand, eighty-one".