1233220033 has 2 divisors, whose sum is σ = 1233220034. Its totient is φ = 1233220032.

The previous prime is 1233219989. The next prime is 1233220063. The reversal of 1233220033 is 3300223321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 939851649 + 293368384 = 30657^2 + 17128^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233220033 - 2²⁵ = 1199665601 is a prime.

It is not a weakly prime, because it can be changed into another prime (1233220063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616610016 + 616610017.

It is an arithmetic number, because the mean of its divisors is an integer number (616610017).

Almost surely, 2^1233220033 is an apocalyptic number.

It is an amenable number.

1233220033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233220033 is an equidigital number, since it uses as much as digits as its factorization.

1233220033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 1233220033 is about 35117.2327070343. The cubic root of 1233220033 is about 1072.3754349890.

Adding to 1233220033 its reverse (3300223321), we get a palindrome (4533443354).

The spelling of 1233220033 in words is "one billion, two hundred thirty-three million, two hundred twenty thousand, thirty-three".