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1102227805 = 57241197557
BaseRepresentation
bin100000110110010…
…1010100101011101
32211211000222022001
41001230222211131
54224132242210
6301212322301
736212532100
oct10154524535
92754028261
101102227805
115161a7078
12269173391
13147480a03
14a655c737
1566b7603a
hex41b2a95d

1102227805 has 48 divisors (see below), whose sum is σ = 1586992176. Its totient is φ = 732318720.

The previous prime is 1102227761. The next prime is 1102227821. The reversal of 1102227805 is 5087222011.

It can be written as a sum of positive squares in 8 ways, for example, as 80658361 + 1021569444 = 8981^2 + 31962^2 .

It is not a de Polignac number, because 1102227805 - 227 = 968010077 is a prime.

It is a super-2 number, since 2×11022278052 = 2429812268230236050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1978587 + ... + 1979143.

It is an arithmetic number, because the mean of its divisors is an integer number (33062337).

Almost surely, 21102227805 is an apocalyptic number.

It is an amenable number.

1102227805 is a deficient number, since it is larger than the sum of its proper divisors (484764371).

1102227805 is a wasteful number, since it uses less digits than its factorization.

1102227805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814 (or 807 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1102227805 is about 33199.8163398534. The cubic root of 1102227805 is about 1032.9765300092.

Adding to 1102227805 its reverse (5087222011), we get a palindrome (6189449816).

The spelling of 1102227805 in words is "one billion, one hundred two million, two hundred twenty-seven thousand, eight hundred five".

Divisors: 1 5 7 35 41 49 197 205 245 287 557 985 1379 1435 2009 2785 3899 6895 8077 9653 10045 19495 22837 27293 40385 48265 56539 109729 114185 136465 159859 282695 395773 548645 768103 799295 1119013 1978865 3840515 4498889 5376721 5595065 22494445 26883605 31492223 157461115 220445561 1102227805