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22520310223 = 107210470189
BaseRepresentation
bin10100111110010100…
…001010100111001111
32011010110221021220211
4110332110022213033
5332110144411343
614202400223251
71425034323055
oct247624124717
964113837824
1022520310223
119607145434
12444600ab27
13217b898768
141138d021d5
158bc15979d
hex53e50a9cf

22520310223 has 4 divisors (see below), whose sum is σ = 22730780520. Its totient is φ = 22309839928.

The previous prime is 22520310217. The next prime is 22520310271. The reversal of 22520310223 is 32201302522.

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 22520310223 - 25 = 22520310191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22520310194 and 22520310203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22520310523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105234988 + ... + 105235201.

It is an arithmetic number, because the mean of its divisors is an integer number (5682695130).

Almost surely, 222520310223 is an apocalyptic number.

22520310223 is a deficient number, since it is larger than the sum of its proper divisors (210470297).

22520310223 is a wasteful number, since it uses less digits than its factorization.

22520310223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210470296.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 22520310223 its reverse (32201302522), we get a palindrome (54721612745).

The spelling of 22520310223 in words is "twenty-two billion, five hundred twenty million, three hundred ten thousand, two hundred twenty-three".

Divisors: 1 107 210470189 22520310223