1220342033 has 2 divisors, whose sum is σ = 1220342034. Its totient is φ = 1220342032.

The previous prime is 1220342009. The next prime is 1220342083. The reversal of 1220342033 is 3302430221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1138927504 + 81414529 = 33748^2 + 9023^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220342033 - 2¹⁴ = 1220325649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1220341996 and 1220342014.

It is not a weakly prime, because it can be changed into another prime (1220342083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610171016 + 610171017.

It is an arithmetic number, because the mean of its divisors is an integer number (610171017).

Almost surely, 2^1220342033 is an apocalyptic number.

It is an amenable number.

1220342033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220342033 is an equidigital number, since it uses as much as digits as its factorization.

1220342033 is an evil number, because the sum of its binary digits is even.

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

The square root of 1220342033 is about 34933.3942381785. The cubic root of 1220342033 is about 1068.6295766736.

Adding to 1220342033 its reverse (3302430221), we get a palindrome (4522772254).

The spelling of 1220342033 in words is "one billion, two hundred twenty million, three hundred forty-two thousand, thirty-three".