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2221113533 = 52319492179
BaseRepresentation
bin1000010001100011…
…1000000010111101
312201210102020222012
42010120320002331
514022101113113
61004222101005
7106020103442
oct20430700275
95653366865
102221113533
11a3a840521
1251ba1a765
13295214882
14170db59c9
15ceedcaa8
hex846380bd

2221113533 has 8 divisors (see below), whose sum is σ = 2227524000. Its totient is φ = 2214712368.

The previous prime is 2221113497. The next prime is 2221113539. The reversal of 2221113533 is 3353111222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221113533 - 214 = 2221097149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221113499 and 2221113508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221113539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1018238 + ... + 1020416.

It is an arithmetic number, because the mean of its divisors is an integer number (278440500).

Almost surely, 22221113533 is an apocalyptic number.

It is an amenable number.

2221113533 is a deficient number, since it is larger than the sum of its proper divisors (6410467).

2221113533 is a wasteful number, since it uses less digits than its factorization.

2221113533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651.

The product of its digits is 1080, while the sum is 23.

The square root of 2221113533 is about 47128.6911870041. The cubic root of 2221113533 is about 1304.7388257107.

Adding to 2221113533 its reverse (3353111222), we get a palindrome (5574224755).

The spelling of 2221113533 in words is "two billion, two hundred twenty-one million, one hundred thirteen thousand, five hundred thirty-three".

Divisors: 1 523 1949 2179 1019327 1139617 4246871 2221113533