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2226702661 = 374110114533
BaseRepresentation
bin1000010010111000…
…1100100101000101
312202011221012210221
42010232030211011
514030013441121
61004541544341
7106115442331
oct20456144505
95664835727
102226702661
11a42a08737
125218750b1
13296420851
14171a2c7c1
15d0743b41
hex84b8c945

2226702661 has 16 divisors (see below), whose sum is σ = 2366018928. Its totient is φ = 2092608000.

The previous prime is 2226702641. The next prime is 2226702677. The reversal of 2226702661 is 1662076222.

It can be written as a sum of positive squares in 8 ways, for example, as 164634561 + 2062068100 = 12831^2 + 45410^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2226702661 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 (2226702641) 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, 145951 + ... + 160483.

It is an arithmetic number, because the mean of its divisors is an integer number (147876183).

Almost surely, 22226702661 is an apocalyptic number.

It is an amenable number.

2226702661 is a deficient number, since it is larger than the sum of its proper divisors (139316267).

2226702661 is a wasteful number, since it uses less digits than its factorization.

2226702661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14712.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2226702661 is about 47187.9503793076. The cubic root of 2226702661 is about 1305.8323078758.

Adding to 2226702661 its reverse (1662076222), we get a palindrome (3888778883).

The spelling of 2226702661 in words is "two billion, two hundred twenty-six million, seven hundred two thousand, six hundred sixty-one".

Divisors: 1 37 41 101 1517 3737 4141 14533 153217 537721 595853 1467833 22046561 54309821 60181153 2226702661