620422301 has 2 divisors, whose sum is σ = 620422302. Its totient is φ = 620422300.

The previous prime is 620422289. The next prime is 620422303. The reversal of 620422301 is 103224026.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 580858201 + 39564100 = 24101^2 + 6290^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-620422301 is a prime.

Together with 620422303, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (620422303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 310211150 + 310211151.

It is an arithmetic number, because the mean of its divisors is an integer number (310211151).

Almost surely, 2^620422301 is an apocalyptic number.

It is an amenable number.

620422301 is a deficient number, since it is larger than the sum of its proper divisors (1).

620422301 is an equidigital number, since it uses as much as digits as its factorization.

620422301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 620422301 is about 24908.2777606160. The cubic root of 620422301 is about 852.8954548538.

Adding to 620422301 its reverse (103224026), we get a palindrome (723646327).

The spelling of 620422301 in words is "six hundred twenty million, four hundred twenty-two thousand, three hundred one".