Search a number
-
+
122213464312221 = 323710119699184463
BaseRepresentation
bin11011110010011100001010…
…001000001000100110011101
3121000201111022110101111111100
4123302130022020020212131
5112004321133330442341
61111532031310543313
734512426401332632
oct3362341210104635
9530644273344440
10122213464312221
1135a39491562257
1211859955b07b39
1353268ac620159
14222723dcb2189
15e1e0bcb733b6
hex6f270a20899d

122213464312221 has 48 divisors (see below), whose sum is σ = 183107009030400. Its totient is φ = 78484301481600.

The previous prime is 122213464312207. The next prime is 122213464312223.

122213464312221 is a `hidden beast` number, since 1 + 2 + 2 + 2 + 1 + 3 + 4 + 643 + 1 + 2 + 2 + 2 + 1 = 666.

122213464312221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122213464312221 - 25 = 122213464312189 is a prime.

It is a super-2 number, since 2×1222134643122212 (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122213464312223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 662444236 + ... + 662628698.

It is an arithmetic number, because the mean of its divisors is an integer number (3814729354800).

Almost surely, 2122213464312221 is an apocalyptic number.

It is an amenable number.

122213464312221 is a deficient number, since it is larger than the sum of its proper divisors (60893544718179).

122213464312221 is a wasteful number, since it uses less digits than its factorization.

122213464312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204306 (or 204303 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 122213464312221 in words is "one hundred twenty-two trillion, two hundred thirteen billion, four hundred sixty-four million, three hundred twelve thousand, two hundred twenty-one".

Divisors: 1 3 9 37 101 111 303 333 909 3737 11211 19699 33633 59097 177291 184463 553389 728863 1660167 1989599 2186589 5968797 6559767 6825131 17906391 18630763 20475393 55892289 61426179 73615163 167676867 220845489 662536467 689338231 2068014693 3633736637 6204044079 10901209911 32703629733 134448255569 367007400337 403344766707 1101022201011 1210034300121 3303066603033 13579273812469 40737821437407 122213464312221