Search a number
-
+
20222353 is a prime number
BaseRepresentation
bin100110100100…
…1000110010001
31102001101212001
41031021012101
520134103403
62001234001
7333613204
oct115110621
942041761
1020222353
1110462398
126932901
1342606b8
14298593b
151b96c1d
hex1349191

20222353 has 2 divisors, whose sum is σ = 20222354. Its totient is φ = 20222352.

The previous prime is 20222351. The next prime is 20222357. The reversal of 20222353 is 35322202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11881809 + 8340544 = 3447^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 20222353 - 21 = 20222351 is a prime.

Together with 20222351, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20222353.

It is not a weakly prime, because it can be changed into another prime (20222351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10111176 + 10111177.

It is an arithmetic number, because the mean of its divisors is an integer number (10111177).

Almost surely, 220222353 is an apocalyptic number.

It is an amenable number.

20222353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20222353 is an equidigital number, since it uses as much as digits as its factorization.

20222353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 20222353 is about 4496.9270618946. The cubic root of 20222353 is about 272.4439881510.

Adding to 20222353 its reverse (35322202), we get a palindrome (55544555).

The spelling of 20222353 in words is "twenty million, two hundred twenty-two thousand, three hundred fifty-three".