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2220226845 = 351392274691
BaseRepresentation
bin1000010001010101…
…1111100100011101
312201201202012122220
42010111133210131
514021334224340
61004151055553
7106006421364
oct20425374435
95651665586
102220226845
11a3a295321
1251b6715b9
13294c940c5
14170c247db
15cedb4ed0
hex8455f91d

2220226845 has 32 divisors (see below), whose sum is σ = 3594447360. Its totient is φ = 1170173760.

The previous prime is 2220226787. The next prime is 2220226909. The reversal of 2220226845 is 5486220222.

2220226845 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2220226845 - 27 = 2220226717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470950 + ... + 475640.

It is an arithmetic number, because the mean of its divisors is an integer number (112326480).

Almost surely, 22220226845 is an apocalyptic number.

It is an amenable number.

2220226845 is a deficient number, since it is larger than the sum of its proper divisors (1374220515).

2220226845 is a wasteful number, since it uses less digits than its factorization.

2220226845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5065.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 2220226845 is about 47119.2831545642. The cubic root of 2220226845 is about 1304.5651815416.

The spelling of 2220226845 in words is "two billion, two hundred twenty million, two hundred twenty-six thousand, eight hundred forty-five".

Divisors: 1 3 5 15 139 227 417 681 695 1135 2085 3405 4691 14073 23455 31553 70365 94659 157765 473295 652049 1064857 1956147 3194571 3260245 5324285 9780735 15972855 148015123 444045369 740075615 2220226845