Search a number
-
+
22202221243 is a prime number
BaseRepresentation
bin10100101011010110…
…110000001010111011
32010022022101200212111
4110223112300022323
5330432232034433
614111034353151
71414122523666
oct245326601273
963268350774
1022202221243
119463636484
12437758b7b7
13212aa06327
1411089806dd
1589e275dcd
hex52b5b02bb

22202221243 has 2 divisors, whose sum is σ = 22202221244. Its totient is φ = 22202221242.

The previous prime is 22202221229. The next prime is 22202221253. The reversal of 22202221243 is 34212220222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22202221243 - 225 = 22168666811 is a prime.

It is not a weakly prime, because it can be changed into another prime (22202221253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101110621 + 11101110622.

It is an arithmetic number, because the mean of its divisors is an integer number (11101110622).

Almost surely, 222202221243 is an apocalyptic number.

22202221243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202221243 is an equidigital number, since it uses as much as digits as its factorization.

22202221243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22202221243 its reverse (34212220222), we get a palindrome (56414441465).

The spelling of 22202221243 in words is "twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred forty-three".