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2221401105 = 34571171233
BaseRepresentation
bin1000010001100111…
…1110010000010001
312201210221212110000
42010121332100101
514022134313410
61004232200213
7106022412030
oct20431762021
95653855400
102221401105
11a3aa17590
1251bb39069
132952b5731
1417104c717
15d0047dc0
hex8467e411

2221401105 has 80 divisors (see below), whose sum is σ = 4964724864. Its totient is φ = 923166720.

The previous prime is 2221401097. The next prime is 2221401109. The reversal of 2221401105 is 5011041222.

It is not a de Polignac number, because 2221401105 - 23 = 2221401097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221401109) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 4432 + ... + 66801.

Almost surely, 22221401105 is an apocalyptic number.

It is an amenable number.

2221401105 is an abundant number, since it is smaller than the sum of its proper divisors (2743323759).

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

2221401105 is a wasteful number, since it uses less digits than its factorization.

2221401105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71268 (or 71259 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 2221401105 is about 47131.7420110906. The cubic root of 2221401105 is about 1304.7951323269.

Adding to 2221401105 its reverse (5011041222), we get a palindrome (7232442327).

The spelling of 2221401105 in words is "two billion, two hundred twenty-one million, four hundred one thousand, one hundred five".

Divisors: 1 3 5 7 9 11 15 21 27 33 35 45 55 63 77 81 99 105 135 165 189 231 297 315 385 405 495 567 693 891 945 1155 1485 2079 2835 3465 4455 6237 10395 31185 71233 213699 356165 498631 641097 783563 1068495 1495893 1923291 2350689 2493155 3205485 3917815 4487679 5484941 5769873 7052067 7479465 9616455 11753445 13463037 16454823 21156201 22438395 27424705 28849365 35260335 40389111 49364469 63468603 67315185 82274115 105781005 148093407 201945555 246822345 317343015 444280221 740467035 2221401105