1222033313 has 8 divisors (see below), whose sum is σ = 1246504296. Its totient is φ = 1197705600.

The previous prime is 1222033289. The next prime is 1222033333. The reversal of 1222033313 is 3133302221.

It can be written as a sum of positive squares in 4 ways, for example, as 351075169 + 870958144 = 18737^2 + 29512^2 .

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 1222033313 - 2²⁸ = 953597857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222033333) 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 in 7 ways as a sum of consecutive naturals, for example, 18506 + ... + 52787.

It is an arithmetic number, because the mean of its divisors is an integer number (155813037).

Almost surely, 2^1222033313 is an apocalyptic number.

It is an amenable number.

1222033313 is a deficient number, since it is larger than the sum of its proper divisors (24470983).

1222033313 is an equidigital number, since it uses as much as digits as its factorization.

1222033313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71635.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1222033313 is about 34957.5930664570. The cubic root of 1222033313 is about 1069.1230223589.

Adding to 1222033313 its reverse (3133302221), we get a palindrome (4355335534).

The spelling of 1222033313 in words is "one billion, two hundred twenty-two million, thirty-three thousand, three hundred thirteen".