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2221123003230 = 235734572219281
BaseRepresentation
bin100000010100100101001…
…111110110001101011110
321212100002212210021112110
4200110211033312031132
5242342324442100410
64420211514214450
7316320333006615
oct40244517661536
97770085707473
102221123003230
11786a78037a4a
122ba575724426
131315b2b04211
147970806287c
153cb9aa99720
hex205253f635e

2221123003230 has 64 divisors (see below), whose sum is σ = 5415545199168. Its totient is φ = 582907207680.

The previous prime is 2221123003201. The next prime is 2221123003237. The reversal of 2221123003230 is 323003211222.

It is a happy number.

2221123003230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2221123003197 and 2221123003206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221123003237) 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, 108811 + ... + 2110470.

It is an arithmetic number, because the mean of its divisors is an integer number (84617893737).

Almost surely, 22221123003230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221123003230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2707772599584).

2221123003230 is an abundant number, since it is smaller than the sum of its proper divisors (3194422195938).

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

2221123003230 is a wasteful number, since it uses less digits than its factorization.

2221123003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2219821.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 2221123003230 its reverse (323003211222), we get a palindrome (2544126214452).

The spelling of 2221123003230 in words is "two trillion, two hundred twenty-one billion, one hundred twenty-three million, three thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 73 146 219 365 438 457 730 914 1095 1371 2190 2285 2742 4570 6855 13710 33361 66722 100083 166805 200166 333610 500415 1000830 2219281 4438562 6657843 11096405 13315686 22192810 33289215 66578430 162007513 324015026 486022539 810037565 972045078 1014211417 1620075130 2028422834 2430112695 3042634251 4860225390 5071057085 6085268502 10142114170 15213171255 30426342510 74037433441 148074866882 222112300323 370187167205 444224600646 740374334410 1110561501615 2221123003230