1229445299 has 2 divisors, whose sum is σ = 1229445300. Its totient is φ = 1229445298.

The previous prime is 1229445263. The next prime is 1229445313. The reversal of 1229445299 is 9925449221.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9925449221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1229445299 - 2⁸ = 1229445043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1229447299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 614722649 + 614722650.

It is an arithmetic number, because the mean of its divisors is an integer number (614722650).

Almost surely, 2^1229445299 is an apocalyptic number.

1229445299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1229445299 is an equidigital number, since it uses as much as digits as its factorization.

1229445299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 47.

The square root of 1229445299 is about 35063.4467644012. The cubic root of 1229445299 is about 1071.2801805555.

The spelling of 1229445299 in words is "one billion, two hundred twenty-nine million, four hundred forty-five thousand, two hundred ninety-nine".