1222304033 has 8 divisors (see below), whose sum is σ = 1230969960. Its totient is φ = 1213663360.

The previous prime is 1222304021. The next prime is 1222304051. The reversal of 1222304033 is 3304032221.

It can be written as a sum of positive squares in 4 ways, for example, as 302516449 + 919787584 = 17393^2 + 30328^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222304033 - 2¹² = 1222299937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222303996 and 1222304014.

It is not an unprimeable number, because it can be changed into a prime (1222304533) 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 in 7 ways as a sum of consecutive naturals, for example, 96683 + ... + 108591.

It is an arithmetic number, because the mean of its divisors is an integer number (153871245).

Almost surely, 2^1222304033 is an apocalyptic number.

It is an amenable number.

1222304033 is a deficient number, since it is larger than the sum of its proper divisors (8665927).

1222304033 is a wasteful number, since it uses less digits than its factorization.

1222304033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12627.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1222304033 is about 34961.4649721661. The cubic root of 1222304033 is about 1069.2019650008.

Adding to 1222304033 its reverse (3304032221), we get a palindrome (4526336254).

The spelling of 1222304033 in words is "one billion, two hundred twenty-two million, three hundred four thousand, thirty-three".