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2231222013320 = 235101635488591
BaseRepresentation
bin100000011101111111001…
…100100000110110001000
321220022011200212010222012
4200131333030200312020
5243024020313411240
64425001555115052
7320125522121666
oct40357714406610
97808150763865
102231222013320
1179028a727783
123005138a2a88
13132532179731
1479dc53d9c36
153d08c4b3b65
hex2077f320d88

2231222013320 has 32 divisors (see below), whose sum is σ = 5020744417920. Its totient is φ = 892400825280.

The previous prime is 2231222013311. The next prime is 2231222013331. The reversal of 2231222013320 is 233102221322.

It is a super-3 number, since 3×22312220133203 (a number of 38 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337776 + ... + 3150815.

It is an arithmetic number, because the mean of its divisors is an integer number (156898263060).

Almost surely, 22231222013320 is an apocalyptic number.

2231222013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2231222013320 is an abundant number, since it is smaller than the sum of its proper divisors (2789522404600).

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

2231222013320 is a wasteful number, since it uses less digits than its factorization.

2231222013320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5498765 (or 5498761 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 2231222013320 its reverse (233102221322), we get a palindrome (2464324234642).

The spelling of 2231222013320 in words is "two trillion, two hundred thirty-one billion, two hundred twenty-two million, thirteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 10163 20326 40652 50815 81304 101630 203260 406520 5488591 10977182 21954364 27442955 43908728 54885910 109771820 219543640 55780550333 111561100666 223122201332 278902751665 446244402664 557805503330 1115611006660 2231222013320