622820113 has 2 divisors, whose sum is σ = 622820114. Its totient is φ = 622820112.

The previous prime is 622820083. The next prime is 622820129. The reversal of 622820113 is 311028226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 589906944 + 32913169 = 24288^2 + 5737^2 .

It is a cyclic number.

It is not a de Polignac number, because 622820113 - 2¹³ = 622811921 is a prime.

It is not a weakly prime, because it can be changed into another prime (622820713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311410056 + 311410057.

It is an arithmetic number, because the mean of its divisors is an integer number (311410057).

Almost surely, 2^622820113 is an apocalyptic number.

It is an amenable number.

622820113 is a deficient number, since it is larger than the sum of its proper divisors (1).

622820113 is an equidigital number, since it uses as much as digits as its factorization.

622820113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 622820113 is about 24956.3641783013. The cubic root of 622820113 is about 853.9928009565.

Adding to 622820113 its reverse (311028226), we get a palindrome (933848339).

The spelling of 622820113 in words is "six hundred twenty-two million, eight hundred twenty thousand, one hundred thirteen".