1220233220333 has 8 divisors (see below), whose sum is σ = 1232720814360. Its totient is φ = 1207753588800.

The previous prime is 1220233220329. The next prime is 1220233220347. The reversal of 1220233220333 is 3330223320221.

It can be written as a sum of positive squares in 4 ways, for example, as 869961002089 + 350272218244 = 932717^2 + 591838^2 .

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 1220233220333 - 2² = 1220233220329 is a prime.

It is a super-2 number, since 2×1220233220333² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220233220933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1682318 + ... + 2295791.

It is an arithmetic number, because the mean of its divisors is an integer number (154090101795).

Almost surely, 2^{1220233220333} is an apocalyptic number.

It is an amenable number.

1220233220333 is a deficient number, since it is larger than the sum of its proper divisors (12487594027).

1220233220333 is a wasteful number, since it uses less digits than its factorization.

1220233220333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981247.

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 1220233220333 its reverse (3330223320221), we get a palindrome (4550456540554).

The spelling of 1220233220333 in words is "one trillion, two hundred twenty billion, two hundred thirty-three million, two hundred twenty thousand, three hundred thirty-three".