Search a number
-
+
2202221011 = 19991116959
BaseRepresentation
bin1000001101000011…
…0011100111010011
312200110212102022011
42003100303213103
514002232033021
61002305123351
7105400366264
oct20320634723
95613772264
102202221011
11a30107271
12515629557
1329132b573
1416c69896b
15cd509de1
hex834339d3

2202221011 has 8 divisors (see below), whose sum is σ = 2320486400. Its totient is φ = 2084191560.

The previous prime is 2202221009. The next prime is 2202221033. The reversal of 2202221011 is 1101222022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2202221011 - 21 = 2202221009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2202220982 and 2202221000.

It is not an unprimeable number, because it can be changed into a prime (2202221041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39651 + ... + 77308.

It is an arithmetic number, because the mean of its divisors is an integer number (290060800).

Almost surely, 22202221011 is an apocalyptic number.

2202221011 is a deficient number, since it is larger than the sum of its proper divisors (118265389).

2202221011 is a wasteful number, since it uses less digits than its factorization.

2202221011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117969.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2202221011 is about 46927.8276825169. The cubic root of 2202221011 is about 1301.0289705458.

Adding to 2202221011 its reverse (1101222022), we get a palindrome (3303443033).

The spelling of 2202221011 in words is "two billion, two hundred two million, two hundred twenty-one thousand, eleven".

Divisors: 1 19 991 18829 116959 2222221 115906369 2202221011