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130222806 = 23741471609
BaseRepresentation
bin1111100001100…
…00101011010110
3100002001000002220
413300300223112
5231314112211
620531043210
73140606220
oct760605326
9302030086
10130222806
116756435a
1237740506
1320c9601c
141341b410
15b674806
hex7c30ad6

130222806 has 64 divisors (see below), whose sum is σ = 311592960. Its totient is φ = 35504640.

The previous prime is 130222801. The next prime is 130222811. The reversal of 130222806 is 608222031.

It is an interprime number because it is at equal distance from previous prime (130222801) and next prime (130222811).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130222801) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80130 + ... + 81738.

It is an arithmetic number, because the mean of its divisors is an integer number (4868640).

Almost surely, 2130222806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130222806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155796480).

130222806 is an abundant number, since it is smaller than the sum of its proper divisors (181370154).

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

130222806 is a wasteful number, since it uses less digits than its factorization.

130222806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 130222806 is about 11411.5207575502. The cubic root of 130222806 is about 506.8689444142.

Adding to 130222806 its reverse (608222031), we get a palindrome (738444837).

The spelling of 130222806 in words is "one hundred thirty million, two hundred twenty-two thousand, eight hundred six".

Divisors: 1 2 3 6 7 14 21 41 42 47 82 94 123 141 246 282 287 329 574 658 861 987 1609 1722 1927 1974 3218 3854 4827 5781 9654 11263 11562 13489 22526 26978 33789 40467 65969 67578 75623 80934 131938 151246 197907 226869 395814 453738 461783 529361 923566 1058722 1385349 1588083 2770698 3100543 3176166 6201086 9301629 18603258 21703801 43407602 65111403 130222806