1220445301 has 2 divisors, whose sum is σ = 1220445302. Its totient is φ = 1220445300.

The previous prime is 1220445299. The next prime is 1220445323. The reversal of 1220445301 is 1035440221.

It is an a-pointer prime, because the next prime (1220445323) can be obtained adding 1220445301 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947039076 + 273406225 = 30774^2 + 16535^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220445301 - 2¹ = 1220445299 is a prime.

Together with 1220445299, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220445371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610222650 + 610222651.

It is an arithmetic number, because the mean of its divisors is an integer number (610222651).

Almost surely, 2^1220445301 is an apocalyptic number.

It is an amenable number.

1220445301 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220445301 is an equidigital number, since it uses as much as digits as its factorization.

1220445301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1220445301 is about 34934.8722768525. The cubic root of 1220445301 is about 1068.6597190773.

Adding to 1220445301 its reverse (1035440221), we get a palindrome (2255885522).

The spelling of 1220445301 in words is "one billion, two hundred twenty million, four hundred forty-five thousand, three hundred one".