Search a number
-
+
2100022237 is a prime number
BaseRepresentation
bin111110100101011…
…1100101111011101
312102100120011221101
41331022330233131
513300101202422
6544214433101
7103016615545
oct17512745735
95370504841
102100022237
11988453875
124a7362791
132760c8011
1415cc94325
15c456dc27
hex7d2bcbdd

2100022237 has 2 divisors, whose sum is σ = 2100022238. Its totient is φ = 2100022236.

The previous prime is 2100022229. The next prime is 2100022247. The reversal of 2100022237 is 7322200012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2067884676 + 32137561 = 45474^2 + 5669^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100022237 - 23 = 2100022229 is a prime.

It is a super-3 number, since 3×21000222373 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2100022217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050011118 + 1050011119.

It is an arithmetic number, because the mean of its divisors is an integer number (1050011119).

Almost surely, 22100022237 is an apocalyptic number.

It is an amenable number.

2100022237 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100022237 is an equidigital number, since it uses as much as digits as its factorization.

2100022237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2100022237 is about 45825.9995744774. Note that the first 3 decimals coincide. The cubic root of 2100022237 is about 1280.5836850095.

Adding to 2100022237 its reverse (7322200012), we get a palindrome (9422222249).

The spelling of 2100022237 in words is "two billion, one hundred million, twenty-two thousand, two hundred thirty-seven".