Search a number
-
+
11022201 = 324212909
BaseRepresentation
bin101010000010…
…111101111001
3202201222121200
4222002331321
510310202301
61032124413
7162454461
oct52027571
922658550
1011022201
116249163
123836709
13238bc18
14166cba1
15e7ac86
hexa82f79

11022201 has 12 divisors (see below), whose sum is σ = 15964260. Its totient is φ = 7328160.

The previous prime is 11022181. The next prime is 11022217. The reversal of 11022201 is 10222011.

It can be written as a sum of positive squares in 2 ways, for example, as 3861225 + 7160976 = 1965^2 + 2676^2 .

It is not a de Polignac number, because 11022201 - 25 = 11022169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11022241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2335 + ... + 5243.

It is an arithmetic number, because the mean of its divisors is an integer number (1330355).

Almost surely, 211022201 is an apocalyptic number.

It is an amenable number.

11022201 is a deficient number, since it is larger than the sum of its proper divisors (4942059).

11022201 is a wasteful number, since it uses less digits than its factorization.

11022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3336 (or 3333 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 11022201 is about 3319.9700299852. The cubic root of 11022201 is about 222.5475284571.

Adding to 11022201 its reverse (10222011), we get a palindrome (21244212).

The spelling of 11022201 in words is "eleven million, twenty-two thousand, two hundred one".

Divisors: 1 3 9 421 1263 2909 3789 8727 26181 1224689 3674067 11022201