1220343301 has 2 divisors, whose sum is σ = 1220343302. Its totient is φ = 1220343300.

The previous prime is 1220343281. The next prime is 1220343337. The reversal of 1220343301 is 1033430221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 849780801 + 370562500 = 29151^2 + 19250^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220343301 - 2⁹ = 1220342789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220341301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610171650 + 610171651.

It is an arithmetic number, because the mean of its divisors is an integer number (610171651).

Almost surely, 2^1220343301 is an apocalyptic number.

It is an amenable number.

1220343301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220343301 is an equidigital number, since it uses as much as digits as its factorization.

1220343301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1220343301 is about 34933.4123869971. The cubic root of 1220343301 is about 1068.6299467944.

Adding to 1220343301 its reverse (1033430221), we get a palindrome (2253773522).

The spelling of 1220343301 in words is "one billion, two hundred twenty million, three hundred forty-three thousand, three hundred one".