Search a number
-
+
4422572081 is a prime number
BaseRepresentation
bin1000001111001101…
…10001100000110001
3102102012211221100222
410013212301200301
533024134301311
62010503022425
7214411146104
oct40746614061
912365757328
104422572081
11196a476954
12a3513aa15
13556337075
142dd51273b
151ad3e6adb
hex1079b1831

4422572081 has 2 divisors, whose sum is σ = 4422572082. Its totient is φ = 4422572080.

The previous prime is 4422572071. The next prime is 4422572129. The reversal of 4422572081 is 1802752244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3191685025 + 1230887056 = 56495^2 + 35084^2 .

It is a cyclic number.

It is not a de Polignac number, because 4422572081 - 230 = 3348830257 is a prime.

It is a super-2 number, since 2×44225720812 = 39118287623281341122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4422572071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2211286040 + 2211286041.

It is an arithmetic number, because the mean of its divisors is an integer number (2211286041).

Almost surely, 24422572081 is an apocalyptic number.

It is an amenable number.

4422572081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4422572081 is an equidigital number, since it uses as much as digits as its factorization.

4422572081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35840, while the sum is 35.

The square root of 4422572081 is about 66502.4216175622. The cubic root of 4422572081 is about 1641.4398520226.

The spelling of 4422572081 in words is "four billion, four hundred twenty-two million, five hundred seventy-two thousand, eighty-one".