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2221201413 = 33137600487
BaseRepresentation
bin1000010001100100…
…1101100000000101
312201210120201112000
42010121031200011
514022111421123
61004224015513
7106020620604
oct20431154005
95653521460
102221201413
11a3a8a0552
1251ba61599
13295245882
14170dd9a3b
15d0008b43
hex8464d805

2221201413 has 16 divisors (see below), whose sum is σ = 3314693760. Its totient is φ = 1469989728.

The previous prime is 2221201361. The next prime is 2221201459. The reversal of 2221201413 is 3141021222.

It is a happy number.

It is not a de Polignac number, because 2221201413 - 216 = 2221135877 is a prime.

It is a super-2 number, since 2×22212014132 = 9867471434226393138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221201483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296545 + ... + 303942.

It is an arithmetic number, because the mean of its divisors is an integer number (207168360).

Almost surely, 22221201413 is an apocalyptic number.

It is an amenable number.

2221201413 is a deficient number, since it is larger than the sum of its proper divisors (1093492347).

2221201413 is a wasteful number, since it uses less digits than its factorization.

2221201413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600633 (or 600627 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2221201413 is about 47129.6235185472. The cubic root of 2221201413 is about 1304.7560331360.

Adding to 2221201413 its reverse (3141021222), we get a palindrome (5362222635).

The spelling of 2221201413 in words is "two billion, two hundred twenty-one million, two hundred one thousand, four hundred thirteen".

Divisors: 1 3 9 27 137 411 1233 3699 600487 1801461 5404383 16213149 82266719 246800157 740400471 2221201413