Search a number
-
+
1222057433 is a prime number
BaseRepresentation
bin100100011010111…
…0001110111011001
310011011111221122102
41020311301313121
510000321314213
6321132533145
742166213442
oct11065616731
93134457572
101222057433
11577901923
122a13211b5
1316624820c
14b84322c9
1572446158
hex48d71dd9

1222057433 has 2 divisors, whose sum is σ = 1222057434. Its totient is φ = 1222057432.

The previous prime is 1222057391. The next prime is 1222057483. The reversal of 1222057433 is 3347502221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 985143769 + 236913664 = 31387^2 + 15392^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1222057433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222057396 and 1222057405.

It is not a weakly prime, because it can be changed into another prime (1222057483) 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 as a sum of consecutive naturals, namely, 611028716 + 611028717.

It is an arithmetic number, because the mean of its divisors is an integer number (611028717).

Almost surely, 21222057433 is an apocalyptic number.

It is an amenable number.

1222057433 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222057433 is an equidigital number, since it uses as much as digits as its factorization.

1222057433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 1222057433 is about 34957.9380541816. The cubic root of 1222057433 is about 1069.1300562855.

Adding to 1222057433 its reverse (3347502221), we get a palindrome (4569559654).

The spelling of 1222057433 in words is "one billion, two hundred twenty-two million, fifty-seven thousand, four hundred thirty-three".