Search a number
-
+
22100002237 is a prime number
BaseRepresentation
bin10100100101010000…
…110100010110111101
32010001012001102202101
4110211100310112331
5330230100032422
614052543425101
71411441630255
oct244520642675
963035042671
1022100002237
119410969865
1243492b5191
132112796801
1410d9172965
158952d3c27
hex5254345bd

22100002237 has 2 divisors, whose sum is σ = 22100002238. Its totient is φ = 22100002236.

The previous prime is 22100002229. The next prime is 22100002273. The reversal of 22100002237 is 73220000122.

Together with next prime (22100002273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20980363716 + 1119638521 = 144846^2 + 33461^2 .

It is a cyclic number.

It is not a de Polignac number, because 22100002237 - 23 = 22100002229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22100005237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11050001118 + 11050001119.

It is an arithmetic number, because the mean of its divisors is an integer number (11050001119).

Almost surely, 222100002237 is an apocalyptic number.

It is an amenable number.

22100002237 is a deficient number, since it is larger than the sum of its proper divisors (1).

22100002237 is an equidigital number, since it uses as much as digits as its factorization.

22100002237 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.

Adding to 22100002237 its reverse (73220000122), we get a palindrome (95320002359).

The spelling of 22100002237 in words is "twenty-two billion, one hundred million, two thousand, two hundred thirty-seven".