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220122112210 = 257112131999111
BaseRepresentation
bin1100110100000001001…
…1001110000011010010
3210001011200120220012121
43031000103032003102
512101302230042320
6245042300444454
721621555040120
oct3150023160322
9701150526177
10220122112210
1185398214a00
12367b254972a
13179b00b0250
14a9226b2910
155ad4cb18aa
hex33404ce0d2

220122112210 has 96 divisors (see below), whose sum is σ = 536017902336. Its totient is φ = 63331804800.

The previous prime is 220122112201. The next prime is 220122112211. The reversal of 220122112210 is 12211221022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (220122112211) 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, 889446 + ... + 1109665.

It is an arithmetic number, because the mean of its divisors is an integer number (5583519816).

Almost surely, 2220122112210 is an apocalyptic number.

220122112210 is an abundant number, since it is smaller than the sum of its proper divisors (315895790126).

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

220122112210 is a wasteful number, since it uses less digits than its factorization.

220122112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999160 (or 1999149 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 220122112210 its reverse (12211221022), we get a palindrome (232333333232).

The spelling of 220122112210 in words is "two hundred twenty billion, one hundred twenty-two million, one hundred twelve thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 121 130 143 154 182 242 286 385 455 605 715 770 847 910 1001 1210 1430 1573 1694 2002 3146 4235 5005 7865 8470 10010 11011 15730 22022 55055 110110 1999111 3998222 9995555 13993777 19991110 21990221 25988443 27987554 43980442 51976886 69968885 109951105 129942215 139937770 153931547 181919101 219902210 241892431 259884430 285872873 307863094 363838202 483784862 571745746 769657735 909595505 1209462155 1429364365 1539315470 1693247017 1819191010 2001110111 2418924310 2858728730 3144601603 3386494034 4002220222 6289203206 8466235085 10005550555 15723008015 16932470170 20011101110 22012211221 31446016030 44024422442 110061056105 220122112210