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2220000011 = 2239955157
BaseRepresentation
bin1000010001010010…
…1000001100001011
312201201022200111122
42010110220030023
514021310000021
61004142145455
7106004455145
oct20424501413
95651280448
102220000011
11a3a14a959
1251b58228b
13294c14a98
14170ba5c95
15ced6cbab
hex8452830b

2220000011 has 4 divisors (see below), whose sum is σ = 2229955392. Its totient is φ = 2210044632.

The previous prime is 2219999989. The next prime is 2220000031. The reversal of 2220000011 is 1100000222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2220000011 - 214 = 2219983627 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2220000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4977356 + ... + 4977801.

It is an arithmetic number, because the mean of its divisors is an integer number (557488848).

Almost surely, 22220000011 is an apocalyptic number.

2220000011 is a deficient number, since it is larger than the sum of its proper divisors (9955381).

2220000011 is an equidigital number, since it uses as much as digits as its factorization.

2220000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9955380.

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

The square root of 2220000011 is about 47116.8760742900. The cubic root of 2220000011 is about 1304.5207521751.

Adding to 2220000011 its reverse (1100000222), we get a palindrome (3320000233).

The spelling of 2220000011 in words is "two billion, two hundred twenty million, eleven", and thus it is an aban number.

Divisors: 1 223 9955157 2220000011