1223144207 has 2 divisors, whose sum is σ = 1223144208. Its totient is φ = 1223144206.

The previous prime is 1223144179. The next prime is 1223144213. The reversal of 1223144207 is 7024413221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223144207 - 2²⁰ = 1222095631 is a prime.

It is a super-2 number, since 2×1223144207² = 2992163502235317698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223147207) 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, 611572103 + 611572104.

It is an arithmetic number, because the mean of its divisors is an integer number (611572104).

Almost surely, 2^1223144207 is an apocalyptic number.

1223144207 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223144207 is an equidigital number, since it uses as much as digits as its factorization.

1223144207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 1223144207 is about 34973.4786230938. The cubic root of 1223144207 is about 1069.4468876826.

Adding to 1223144207 its reverse (7024413221), we get a palindrome (8247557428).

The spelling of 1223144207 in words is "one billion, two hundred twenty-three million, one hundred forty-four thousand, two hundred seven".