Search a number
-
+
2220816235 = 5111910612003
BaseRepresentation
bin1000010001011110…
…1111011101101011
312201202212011011011
42010113233131223
514022012104420
61004211444351
7106014424621
oct20427573553
95652764134
102220816235
11a3a658120
1251b8b66b7
1329513c461
14170d39511
15cee7e95a
hex845ef76b

2220816235 has 32 divisors (see below), whose sum is σ = 3064677120. Its totient is φ = 1527926400.

The previous prime is 2220816217. The next prime is 2220816239. The reversal of 2220816235 is 5326180222.

It is not a de Polignac number, because 2220816235 - 219 = 2220291947 is a prime.

It is a super-3 number, since 3×22208162353 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2220816197 and 2220816206.

It is not an unprimeable number, because it can be changed into a prime (2220816239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1107744 + ... + 1109746.

It is an arithmetic number, because the mean of its divisors is an integer number (95771160).

Almost surely, 22220816235 is an apocalyptic number.

2220816235 is a deficient number, since it is larger than the sum of its proper divisors (843860885).

2220816235 is a wasteful number, since it uses less digits than its factorization.

2220816235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3099.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2220816235 is about 47125.5369730680. The cubic root of 2220816235 is about 1304.6806096334.

Adding to 2220816235 its reverse (5326180222), we get a palindrome (7546996457).

The spelling of 2220816235 in words is "two billion, two hundred twenty million, eight hundred sixteen thousand, two hundred thirty-five".

Divisors: 1 5 11 19 55 95 209 1045 1061 2003 5305 10015 11671 20159 22033 38057 58355 100795 110165 190285 221749 418627 1108745 2093135 2125183 10625915 23377013 40378477 116885065 201892385 444163247 2220816235