Search a number
-
+
1322222233 is a prime number
BaseRepresentation
bin100111011001111…
…1000001010011001
310102010222211220211
41032303320022121
510201442102413
6335111451121
744523463213
oct11663701231
93363884824
101322222233
116193a6152
1230a986aa1
13180c18a27
14c78675b3
157b12e83d
hex4ecf8299

1322222233 has 2 divisors, whose sum is σ = 1322222234. Its totient is φ = 1322222232.

The previous prime is 1322222197. The next prime is 1322222249. The reversal of 1322222233 is 3322222231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1238828809 + 83393424 = 35197^2 + 9132^2 .

It is an emirp because it is prime and its reverse (3322222231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1322222233 - 29 = 1322221721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1322222263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661111116 + 661111117.

It is an arithmetic number, because the mean of its divisors is an integer number (661111117).

Almost surely, 21322222233 is an apocalyptic number.

It is an amenable number.

1322222233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1322222233 is an equidigital number, since it uses as much as digits as its factorization.

1322222233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 22.

The square root of 1322222233 is about 36362.3738636520. The cubic root of 1322222233 is about 1097.5765470865.

Adding to 1322222233 its reverse (3322222231), we get a palindrome (4644444464).

The spelling of 1322222233 in words is "one billion, three hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-three".