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2212333230 = 235374346351
BaseRepresentation
bin1000001111011101…
…1000011010101110
312201011220011122210
42003313120122232
514012324130410
61003305551250
7105552344052
oct20367303256
95634804583
102212333230
11a35893778
12518aa5526
1329345c223
1416db6bc62
15ce356220
hex83dd86ae

2212333230 has 64 divisors (see below), whose sum is σ = 5580039168. Its totient is φ = 560649600.

The previous prime is 2212333217. The next prime is 2212333231. The reversal of 2212333230 is 323332122.

It is a junction number, because it is equal to n+sod(n) for n = 2212333197 and 2212333206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212333231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24555 + ... + 70905.

It is an arithmetic number, because the mean of its divisors is an integer number (87188112).

Almost surely, 22212333230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212333230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2790019584).

2212333230 is an abundant number, since it is smaller than the sum of its proper divisors (3367705938).

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

2212333230 is a wasteful number, since it uses less digits than its factorization.

2212333230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46441.

The product of its (nonzero) digits is 1296, while the sum is 21.

The square root of 2212333230 is about 47035.4465270608. The cubic root of 2212333230 is about 1303.0172971617.

Adding to 2212333230 its reverse (323332122), we get a palindrome (2535665352).

The spelling of 2212333230 in words is "two billion, two hundred twelve million, three hundred thirty-three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 37 43 74 86 111 129 185 215 222 258 370 430 555 645 1110 1290 1591 3182 4773 7955 9546 15910 23865 46351 47730 92702 139053 231755 278106 463510 695265 1390530 1714987 1993093 3429974 3986186 5144961 5979279 8574935 9965465 10289922 11958558 17149870 19930930 25724805 29896395 51449610 59792790 73744441 147488882 221233323 368722205 442466646 737444410 1106166615 2212333230