622241 has 2 divisors, whose sum is σ = 622242. Its totient is φ = 622240.

The previous prime is 622189. The next prime is 622243. The reversal of 622241 is 142226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 519841 + 102400 = 721^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 622241 - 2⁶ = 622177 is a prime.

It is a Sophie Germain prime.

Together with 622243, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (622243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311120 + 311121.

It is an arithmetic number, because the mean of its divisors is an integer number (311121).

2⁶²²²⁴¹ is an apocalyptic number.

It is an amenable number.

622241 is a deficient number, since it is larger than the sum of its proper divisors (1).

622241 is an equidigital number, since it uses as much as digits as its factorization.

622241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192, while the sum is 17.

The square root of 622241 is about 788.8225402459. The cubic root of 622241 is about 85.3728031250.

Adding to 622241 its reverse (142226), we get a palindrome (764467).

The spelling of 622241 in words is "six hundred twenty-two thousand, two hundred forty-one".