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22054443412 = 2223974016163
BaseRepresentation
bin10100100010100011…
…000001100110010100
32002221000022210210111
4110202203001212110
5330131414142122
614044235132404
71410346450561
oct244243014624
962830283714
1022054443412
119398181841
124335ba4104
132106204a21
1410d30b3868
158912d4d77
hex5228c1994

22054443412 has 48 divisors (see below), whose sum is σ = 40796606592. Its totient is φ = 10411315200.

The previous prime is 22054443403. The next prime is 22054443431. The reversal of 22054443412 is 21434445022.

It is a super-2 number, since 2×220544434122 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3575443 + ... + 3581605.

It is an arithmetic number, because the mean of its divisors is an integer number (849929304).

Almost surely, 222054443412 is an apocalyptic number.

It is an amenable number.

22054443412 is a deficient number, since it is larger than the sum of its proper divisors (18742163180).

22054443412 is a wasteful number, since it uses less digits than its factorization.

22054443412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6688 (or 6686 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 22054443412 its reverse (21434445022), we get a palindrome (43488888434).

The spelling of 22054443412 in words is "twenty-two billion, fifty-four million, four hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 23 46 92 97 194 388 401 802 1604 2231 4462 6163 8924 9223 12326 18446 24652 36892 38897 77794 141749 155588 283498 566996 597811 894631 1195622 1789262 2391244 2471363 3578524 4942726 9885452 13749653 27499306 54998612 56841349 113682698 227365396 239722211 479444422 958888844 5513610853 11027221706 22054443412