1223066237 has 2 divisors, whose sum is σ = 1223066238. Its totient is φ = 1223066236.

The previous prime is 1223066227. The next prime is 1223066297. The reversal of 1223066237 is 7326603221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1067590276 + 155475961 = 32674^2 + 12469^2 .

It is a cyclic number.

It is not a de Polignac number, because 1223066237 - 2²⁶ = 1155957373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223066227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611533118 + 611533119.

It is an arithmetic number, because the mean of its divisors is an integer number (611533119).

Almost surely, 2^1223066237 is an apocalyptic number.

It is an amenable number.

1223066237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223066237 is an equidigital number, since it uses as much as digits as its factorization.

1223066237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 1223066237 is about 34972.3639035167. The cubic root of 1223066237 is about 1069.4241630398.

Adding to 1223066237 its reverse (7326603221), we get a palindrome (8549669458).

The spelling of 1223066237 in words is "one billion, two hundred twenty-three million, sixty-six thousand, two hundred thirty-seven".