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22010220232 = 23721113392647
BaseRepresentation
bin10100011111111010…
…010100111011001000
32002210221010000222221
4110133322110323020
5330034104021412
614040015223424
71406301533200
oct243772247310
962727100887
1022010220232
119375217260
124323217b74
1320c9cbcb70
1410cb281400
1588c49bb07
hex51fe94ec8

22010220232 has 96 divisors (see below), whose sum is σ = 56399958720. Its totient is φ = 7915743360.

The previous prime is 22010220223. The next prime is 22010220233. The reversal of 22010220232 is 23202201022.

It is a super-2 number, since 2×220102202322 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22010220233) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 140268 + ... + 252379.

It is an arithmetic number, because the mean of its divisors is an integer number (587499570).

Almost surely, 222010220232 is an apocalyptic number.

22010220232 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22010220232 is an abundant number, since it is smaller than the sum of its proper divisors (34389738488).

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

22010220232 is a wasteful number, since it uses less digits than its factorization.

22010220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392691 (or 392680 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22010220232 its reverse (23202201022), we get a palindrome (45212421254).

It can be divided in two parts, 22010 and 220232, that added together give a palindrome (242242).

The spelling of 22010220232 in words is "twenty-two billion, ten million, two hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 49 52 56 77 88 91 98 104 143 154 182 196 286 308 364 392 539 572 616 637 728 1001 1078 1144 1274 2002 2156 2548 4004 4312 5096 7007 8008 14014 28028 56056 392647 785294 1570588 2748529 3141176 4319117 5104411 5497058 8638234 10208822 10994116 17276468 19239703 20417644 21988232 30233819 34552936 35730877 38479406 40835288 56148521 60467638 71461754 76958812 112297042 120935276 142923508 153917624 211636733 224594084 241870552 250116139 285847016 393039647 423273466 449188168 500232278 786079294 846546932 1000464556 1572158588 1693093864 2000929112 2751277529 3144317176 5502555058 11005110116 22010220232