622427262427 has 2 divisors, whose sum is σ = 622427262428. Its totient is φ = 622427262426.

The previous prime is 622427262361. The next prime is 622427262529. The reversal of 622427262427 is 724262724226.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622427262427 is a prime.

It is not a weakly prime, because it can be changed into another prime (622407262427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311213631213 + 311213631214.

It is an arithmetic number, because the mean of its divisors is an integer number (311213631214).

It is a self-describing number.

Almost surely, 2^622427262427 is an apocalyptic number.

622427262427 is a deficient number, since it is larger than the sum of its proper divisors (1).

622427262427 is an equidigital number, since it uses as much as digits as its factorization.

622427262427 is an evil number, because the sum of its binary digits is even.

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

The spelling of 622427262427 in words is "six hundred twenty-two billion, four hundred twenty-seven million, two hundred sixty-two thousand, four hundred twenty-seven".