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22211120209 = 71312832679
BaseRepresentation
bin10100101011111000…
…101100110001010001
32010022221010210221211
4110223320230301101
5330442021321314
614111553220121
71414261256335
oct245370546121
963287123854
1022211120209
1194686643a3
12437a561641
13212c8009a5
141109c197c5
1589ee329c4
hex52be2cc51

22211120209 has 4 divisors (see below), whose sum is σ = 22523952960. Its totient is φ = 21898287460.

The previous prime is 22211120201. The next prime is 22211120221. The reversal of 22211120209 is 90202111222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22211120209 - 23 = 22211120201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22211120209.

It is not an unprimeable number, because it can be changed into a prime (22211120201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156416269 + ... + 156416410.

It is an arithmetic number, because the mean of its divisors is an integer number (5630988240).

Almost surely, 222211120209 is an apocalyptic number.

It is an amenable number.

22211120209 is a deficient number, since it is larger than the sum of its proper divisors (312832751).

22211120209 is an equidigital number, since it uses as much as digits as its factorization.

22211120209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312832750.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 22211120209 in words is "twenty-two billion, two hundred eleven million, one hundred twenty thousand, two hundred nine".

Divisors: 1 71 312832679 22211120209