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22230221111 = 73175745873
BaseRepresentation
bin10100101101000001…
…100100000100110111
32010101021002020110122
4110231001210010313
5331011414033421
614113514442155
71414612522160
oct245501440467
963337066418
1022230221111
11947842016a
124384a3335b
13213375aab7
14110c58c767
158a19572ab
hex52d064137

22230221111 has 4 divisors (see below), whose sum is σ = 25405966992. Its totient is φ = 19054475232.

The previous prime is 22230221051. The next prime is 22230221137. The reversal of 22230221111 is 11112203222.

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 22230221111 - 26 = 22230221047 is a prime.

It is a super-4 number, since 4×222302211114 (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22230221111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22230221011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587872930 + ... + 1587872943.

It is an arithmetic number, because the mean of its divisors is an integer number (6351491748).

Almost surely, 222230221111 is an apocalyptic number.

22230221111 is a deficient number, since it is larger than the sum of its proper divisors (3175745881).

22230221111 is an equidigital number, since it uses as much as digits as its factorization.

22230221111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175745880.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22230221111 its reverse (11112203222), we get a palindrome (33342424333).

The spelling of 22230221111 in words is "twenty-two billion, two hundred thirty million, two hundred twenty-one thousand, one hundred eleven".

Divisors: 1 7 3175745873 22230221111