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2221045105 = 5795622899
BaseRepresentation
bin1000010001100010…
…0111010101110001
312201210021210002211
42010120213111301
514022041420410
61004220412121
7106016400106
oct20430472561
95653253084
102221045105
11a3a7a4074
1251b9a7041
132951bc696
14170d98aad
15ceec768a
hex84627571

2221045105 has 8 divisors (see below), whose sum is σ = 2698992000. Its totient is φ = 1754344176.

The previous prime is 2221045097. The next prime is 2221045193. The reversal of 2221045105 is 5015401222.

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 2221045105 - 23 = 2221045097 is a prime.

It is a super-2 number, since 2×22210451052 = 9866082716888922050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2811055 + ... + 2811844.

It is an arithmetic number, because the mean of its divisors is an integer number (337374000).

Almost surely, 22221045105 is an apocalyptic number.

It is an amenable number.

2221045105 is a deficient number, since it is larger than the sum of its proper divisors (477946895).

2221045105 is an equidigital number, since it uses as much as digits as its factorization.

2221045105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622983.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2221045105 is about 47127.9652117509. The cubic root of 2221045105 is about 1304.7254267880.

Adding to 2221045105 its reverse (5015401222), we get a palindrome (7236446327).

The spelling of 2221045105 in words is "two billion, two hundred twenty-one million, forty-five thousand, one hundred five".

Divisors: 1 5 79 395 5622899 28114495 444209021 2221045105