1224313297 has 2 divisors, whose sum is σ = 1224313298. Its totient is φ = 1224313296.

The previous prime is 1224313283. The next prime is 1224313301. The reversal of 1224313297 is 7923134221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1153349521 + 70963776 = 33961^2 + 8424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224313297 - 2⁷ = 1224313169 is a prime.

It is a super-2 number, since 2×1224313297² = 2997886098422020418, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1224313217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612156648 + 612156649.

It is an arithmetic number, because the mean of its divisors is an integer number (612156649).

Almost surely, 2^1224313297 is an apocalyptic number.

It is an amenable number.

1224313297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224313297 is an equidigital number, since it uses as much as digits as its factorization.

1224313297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 1224313297 is about 34990.1885819439. The cubic root of 1224313297 is about 1069.7875075169.

The spelling of 1224313297 in words is "one billion, two hundred twenty-four million, three hundred thirteen thousand, two hundred ninety-seven".