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22110130221 = 37370043407
BaseRepresentation
bin10100100101110111…
…011101000000101101
32010001220002222201220
4110211313131000231
5330240143131341
614053544453553
71411624002024
oct244567350055
963056088656
1022110130221
1194166570a3
12435077a2b9
1321149016ba
1410da64b8bb
15896134a66
hex525ddd02d

22110130221 has 4 divisors (see below), whose sum is σ = 29480173632. Its totient is φ = 14740086812.

The previous prime is 22110130201. The next prime is 22110130261. The reversal of 22110130221 is 12203101122.

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 22110130221 - 26 = 22110130157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22110130221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110130201) 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, 3685021701 + ... + 3685021706.

It is an arithmetic number, because the mean of its divisors is an integer number (7370043408).

Almost surely, 222110130221 is an apocalyptic number.

It is an amenable number.

22110130221 is a deficient number, since it is larger than the sum of its proper divisors (7370043411).

22110130221 is an equidigital number, since it uses as much as digits as its factorization.

22110130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7370043410.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22110130221 its reverse (12203101122), we get a palindrome (34313231343).

The spelling of 22110130221 in words is "twenty-two billion, one hundred ten million, one hundred thirty thousand, two hundred twenty-one".

Divisors: 1 3 7370043407 22110130221