1147228349 has 2 divisors, whose sum is σ = 1147228350. Its totient is φ = 1147228348.

The previous prime is 1147228343. The next prime is 1147228367. The reversal of 1147228349 is 9438227411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1053002500 + 94225849 = 32450^2 + 9707^2 .

It is a cyclic number.

It is not a de Polignac number, because 1147228349 - 2⁴ = 1147228333 is a prime.

It is a super-2 number, since 2×1147228349² = 2632265769498531602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1147228343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 573614174 + 573614175.

It is an arithmetic number, because the mean of its divisors is an integer number (573614175).

Almost surely, 2^1147228349 is an apocalyptic number.

It is an amenable number.

1147228349 is a deficient number, since it is larger than the sum of its proper divisors (1).

1147228349 is an equidigital number, since it uses as much as digits as its factorization.

1147228349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 1147228349 is about 33870.7594984228. The cubic root of 1147228349 is about 1046.8471862740.

The spelling of 1147228349 in words is "one billion, one hundred forty-seven million, two hundred twenty-eight thousand, three hundred forty-nine".