Search a number
-
+
1222211101223 = 7296020744341
BaseRepresentation
bin10001110010010001011…
…101010110001000100111
311022211201222210221220002
4101302101131112020213
5130011042020214343
62333250453331515
7154205346643130
oct21622135261047
94284658727802
101222211101223
114313783381a2
12178a58036b9b
138b33c0acb58
144322633ac87
1521bd4b178b8
hex11c91756227

1222211101223 has 8 divisors (see below), whose sum is σ = 1444978642080. Its totient is φ = 1011485049120.

The previous prime is 1222211101201. The next prime is 1222211101229. The reversal of 1222211101223 is 3221011122221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222211101223 - 218 = 1222210839079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222211101195 and 1222211101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222211101229) 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 in 7 ways as a sum of consecutive naturals, for example, 3010371968 + ... + 3010372373.

It is an arithmetic number, because the mean of its divisors is an integer number (180622330260).

Almost surely, 21222211101223 is an apocalyptic number.

1222211101223 is a deficient number, since it is larger than the sum of its proper divisors (222767540857).

1222211101223 is an equidigital number, since it uses as much as digits as its factorization.

1222211101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6020744377.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1222211101223 its reverse (3221011122221), we get a palindrome (4443222223444).

The spelling of 1222211101223 in words is "one trillion, two hundred twenty-two billion, two hundred eleven million, one hundred one thousand, two hundred twenty-three".

Divisors: 1 7 29 203 6020744341 42145210387 174601585889 1222211101223