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6228820220 = 2257228122619
BaseRepresentation
bin1011100110100010…
…00100000011111100
3121002002121212000012
411303101010003330
5100224034221340
62510025122352
7310233045500
oct56321040374
917062555005
106228820220
112707008907
12125a0293b8
1378360404c
14431374300
15266c86565
hex1734440fc

6228820220 has 72 divisors (see below), whose sum is σ = 15270942960. Its totient is φ = 2127901440.

The previous prime is 6228820219. The next prime is 6228820229. The reversal of 6228820220 is 220288226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6228820229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264071 + ... + 286689.

It is an arithmetic number, because the mean of its divisors is an integer number (212096430).

Almost surely, 26228820220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6228820220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7635471480).

6228820220 is an abundant number, since it is smaller than the sum of its proper divisors (9042122740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6228820220 is a wasteful number, since it uses less digits than its factorization.

6228820220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923 (or 22914 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 6228820220 is about 78922.8751376938. The cubic root of 6228820220 is about 1839.9326751516.

The spelling of 6228820220 in words is "six billion, two hundred twenty-eight million, eight hundred twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 281 490 562 980 1124 1405 1967 2810 3934 5620 7868 9835 13769 19670 22619 27538 39340 45238 55076 68845 90476 113095 137690 158333 226190 275380 316666 452380 633332 791665 1108331 1583330 2216662 3166660 4433324 5541655 6355939 11083310 12711878 22166620 25423756 31779695 44491573 63559390 88983146 127118780 177966292 222457865 311441011 444915730 622882022 889831460 1245764044 1557205055 3114410110 6228820220