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122224441378 = 2135749817697
BaseRepresentation
bin111000111010100100…
…1001111100000100010
3102200111000211221102011
41301311021033200202
54000303424111003
6132052113543134
711554556416144
oct1616511174042
9380430757364
10122224441378
1147920568926
121b830874aaa
13b6aacc5880
145cb6946c94
1532a53ee46d
hex1c7524f822

122224441378 has 16 divisors (see below), whose sum is σ = 197474067000. Its totient is φ = 56401399296.

The previous prime is 122224441369. The next prime is 122224441379. The reversal of 122224441378 is 873144422221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37265599849 + 84958841529 = 193043^2 + 291477^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 122224441378.

It is not an unprimeable number, because it can be changed into a prime (122224441379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 259375 + ... + 558322.

Almost surely, 2122224441378 is an apocalyptic number.

122224441378 is a deficient number, since it is larger than the sum of its proper divisors (75249625622).

122224441378 is a wasteful number, since it uses less digits than its factorization.

122224441378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823461.

The product of its digits is 172032, while the sum is 40.

Adding to 122224441378 its reverse (873144422221), we get a palindrome (995368863599).

The spelling of 122224441378 in words is "one hundred twenty-two billion, two hundred twenty-four million, four hundred forty-one thousand, three hundred seventy-eight".

Divisors: 1 2 13 26 5749 11498 74737 149474 817697 1635394 10630061 21260122 4700940053 9401880106 61112220689 122224441378