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4122114221 is a prime number
BaseRepresentation
bin1111010110110010…
…0111100010101101
3101122021111002200002
43311230213202231
531420230123341
61521011114045
7204102251501
oct36554474255
911567432602
104122114221
11182590a475
129705a2925
13509008a54
142b1660301
15191d4729b
hexf5b278ad

4122114221 has 2 divisors, whose sum is σ = 4122114222. Its totient is φ = 4122114220.

The previous prime is 4122114197. The next prime is 4122114229. The reversal of 4122114221 is 1224112214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3967236196 + 154878025 = 62986^2 + 12445^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-4122114221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4122114193 and 4122114202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4122114229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2061057110 + 2061057111.

It is an arithmetic number, because the mean of its divisors is an integer number (2061057111).

Almost surely, 24122114221 is an apocalyptic number.

It is an amenable number.

4122114221 is a deficient number, since it is larger than the sum of its proper divisors (1).

4122114221 is an equidigital number, since it uses as much as digits as its factorization.

4122114221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 256, while the sum is 20.

The square root of 4122114221 is about 64203.6932037402. The cubic root of 4122114221 is about 1603.3930884504.

Adding to 4122114221 its reverse (1224112214), we get a palindrome (5346226435).

The spelling of 4122114221 in words is "four billion, one hundred twenty-two million, one hundred fourteen thousand, two hundred twenty-one".