1220222133233 has 2 divisors, whose sum is σ = 1220222133234. Its totient is φ = 1220222133232.

The previous prime is 1220222133227. The next prime is 1220222133253. The reversal of 1220222133233 is 3323312220221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 653103189904 + 567118943329 = 808148^2 + 753073^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220222133233 - 2⁴ = 1220222133217 is a prime.

It is not a weakly prime, because it can be changed into another prime (1220222133253) 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 as a sum of consecutive naturals, namely, 610111066616 + 610111066617.

It is an arithmetic number, because the mean of its divisors is an integer number (610111066617).

Almost surely, 2^{1220222133233} is an apocalyptic number.

It is an amenable number.

1220222133233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222133233 is an equidigital number, since it uses as much as digits as its factorization.

1220222133233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 1220222133233 its reverse (3323312220221), we get a palindrome (4543534353454).

The spelling of 1220222133233 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, one hundred thirty-three thousand, two hundred thirty-three".