1224334289 has 2 divisors, whose sum is σ = 1224334290. Its totient is φ = 1224334288.

The previous prime is 1224334283. The next prime is 1224334303. The reversal of 1224334289 is 9824334221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 832611025 + 391723264 = 28855^2 + 19792^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224334289 - 2⁴ = 1224334273 is a prime.

It is a super-2 number, since 2×1224334289² = 2997988902442271042, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1224334283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612167144 + 612167145.

It is an arithmetic number, because the mean of its divisors is an integer number (612167145).

Almost surely, 2^1224334289 is an apocalyptic number.

It is an amenable number.

1224334289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224334289 is an equidigital number, since it uses as much as digits as its factorization.

1224334289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 38.

The square root of 1224334289 is about 34990.4885504618. The cubic root of 1224334289 is about 1069.7936216521.

The spelling of 1224334289 in words is "one billion, two hundred twenty-four million, three hundred thirty-four thousand, two hundred eighty-nine".