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22243111201 = 29989741709
BaseRepresentation
bin10100101101110010…
…101111000100100001
32010102011100010100101
4110231302233010201
5331023214024301
614115055022401
71415130216463
oct245562570441
963364303311
1022243111201
119484724733
12438920aa01
132136321c7c
141110186133
158a2b51701
hex52dcaf121

22243111201 has 4 divisors (see below), whose sum is σ = 22243882900. Its totient is φ = 22242339504.

The previous prime is 22243111199. The next prime is 22243111259. The reversal of 22243111201 is 10211134222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10211134222 = 25105567111.

It can be written as a sum of positive squares in 2 ways, for example, as 9845402176 + 12397709025 = 99224^2 + 111345^2 .

It is a cyclic number.

It is not a de Polignac number, because 22243111201 - 21 = 22243111199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243151201) 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, 340866 + ... + 400843.

It is an arithmetic number, because the mean of its divisors is an integer number (5560970725).

Almost surely, 222243111201 is an apocalyptic number.

It is an amenable number.

22243111201 is a deficient number, since it is larger than the sum of its proper divisors (771699).

22243111201 is an equidigital number, since it uses as much as digits as its factorization.

22243111201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771698.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22243111201 its reverse (10211134222), we get a palindrome (32454245423).

The spelling of 22243111201 in words is "twenty-two billion, two hundred forty-three million, one hundred eleven thousand, two hundred one".

Divisors: 1 29989 741709 22243111201