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2221233130 = 25648134273
BaseRepresentation
bin1000010001100101…
…0101001111101010
312201210122100000201
42010121111033222
514022113430010
61004224422414
7106021112224
oct20431251752
95653570021
102221233130
11a3a912366
1251ba77a0a
1329525713c
14171007414
15d001323a
hex846553ea

2221233130 has 16 divisors (see below), whose sum is σ = 3998953224. Its totient is φ = 888330240.

The previous prime is 2221233089. The next prime is 2221233139. The reversal of 2221233130 is 313321222.

It can be written as a sum of positive squares in 4 ways, for example, as 2213796601 + 7436529 = 47051^2 + 2727^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2221233098 and 2221233107.

It is not an unprimeable number, because it can be changed into a prime (2221233139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47674 + ... + 81946.

Almost surely, 22221233130 is an apocalyptic number.

2221233130 is a deficient number, since it is larger than the sum of its proper divisors (1777720094).

2221233130 is a wasteful number, since it uses less digits than its factorization.

2221233130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40761.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 2221233130 is about 47129.9600042266. The cubic root of 2221233130 is about 1304.7622434013.

Adding to 2221233130 its reverse (313321222), we get a palindrome (2534554352).

The spelling of 2221233130 in words is "two billion, two hundred twenty-one million, two hundred thirty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 6481 12962 32405 34273 64810 68546 171365 342730 222123313 444246626 1110616565 2221233130