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2224666661 = 71928515867
BaseRepresentation
bin1000010010011001…
…1011100000100101
312202001002202221112
42010212123200211
514024003313121
61004430154405
7106062232430
oct20446334045
95661082845
102224666661
11a41847a98
12521052a05
13295b89c09
1417165c817
15d049075b
hex8499b825

2224666661 has 16 divisors (see below), whose sum is σ = 2677685760. Its totient is φ = 1805554800.

The previous prime is 2224666583. The next prime is 2224666663. The reversal of 2224666661 is 1666664222.

It is a de Polignac number, because none of the positive numbers 2k-2224666661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2224666663) 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 15 ways as a sum of consecutive naturals, for example, 376250 + ... + 382116.

It is an arithmetic number, because the mean of its divisors is an integer number (167355360).

Almost surely, 22224666661 is an apocalyptic number.

It is an amenable number.

2224666661 is a deficient number, since it is larger than the sum of its proper divisors (453019099).

2224666661 is a wasteful number, since it uses less digits than its factorization.

2224666661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8744.

The product of its digits is 248832, while the sum is 41.

The square root of 2224666661 is about 47166.3721416011. The cubic root of 2224666661 is about 1305.4341877671.

The spelling of 2224666661 in words is "two billion, two hundred twenty-four million, six hundred sixty-six thousand, six hundred sixty-one".

Divisors: 1 7 19 133 2851 5867 19957 41069 54169 111473 379183 780311 16726817 117087719 317809523 2224666661