622627242427 has 2 divisors, whose sum is σ = 622627242428. Its totient is φ = 622627242426.

The previous prime is 622627242401. The next prime is 622627242449. The reversal of 622627242427 is 724242726226.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622627242427 is a prime.

It is not a weakly prime, because it can be changed into another prime (622627242227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311313621213 + 311313621214.

It is an arithmetic number, because the mean of its divisors is an integer number (311313621214).

It is a self-describing number.

Almost surely, 2^622627242427 is an apocalyptic number.

622627242427 is a deficient number, since it is larger than the sum of its proper divisors (1).

622627242427 is an equidigital number, since it uses as much as digits as its factorization.

622627242427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1806336, while the sum is 46.

The spelling of 622627242427 in words is "six hundred twenty-two billion, six hundred twenty-seven million, two hundred forty-two thousand, four hundred twenty-seven".