622106827 has 2 divisors, whose sum is σ = 622106828. Its totient is φ = 622106826.

The previous prime is 622106819. The next prime is 622106831. The reversal of 622106827 is 728601226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622106827 - 2³ = 622106819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 622106792 and 622106801.

It is not a weakly prime, because it can be changed into another prime (622106867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311053413 + 311053414.

It is an arithmetic number, because the mean of its divisors is an integer number (311053414).

Almost surely, 2^622106827 is an apocalyptic number.

622106827 is a deficient number, since it is larger than the sum of its proper divisors (1).

622106827 is an equidigital number, since it uses as much as digits as its factorization.

622106827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 622106827 is about 24942.0694209602. The cubic root of 622106827 is about 853.6666640916. Note that the first 5 decimals are identical.

The spelling of 622106827 in words is "six hundred twenty-two million, one hundred six thousand, eight hundred twenty-seven".