1233022009 has 2 divisors, whose sum is σ = 1233022010. Its totient is φ = 1233022008.

The previous prime is 1233021991. The next prime is 1233022031. The reversal of 1233022009 is 9002203321.

It is an a-pointer prime, because the next prime (1233022031) can be obtained adding 1233022009 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1206033984 + 26988025 = 34728^2 + 5195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1233022009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233022079) 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, 616511004 + 616511005.

It is an arithmetic number, because the mean of its divisors is an integer number (616511005).

Almost surely, 2^1233022009 is an apocalyptic number.

It is an amenable number.

1233022009 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233022009 is an equidigital number, since it uses as much as digits as its factorization.

1233022009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1233022009 is about 35114.4131233885. The cubic root of 1233022009 is about 1072.3180331103.

The spelling of 1233022009 in words is "one billion, two hundred thirty-three million, twenty-two thousand, nine".