622542559 has 2 divisors, whose sum is σ = 622542560. Its totient is φ = 622542558.

The previous prime is 622542553. The next prime is 622542563. The reversal of 622542559 is 955245226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622542559 - 2⁹ = 622542047 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622542553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311271279 + 311271280.

It is an arithmetic number, because the mean of its divisors is an integer number (311271280).

Almost surely, 2^622542559 is an apocalyptic number.

622542559 is a deficient number, since it is larger than the sum of its proper divisors (1).

622542559 is an equidigital number, since it uses as much as digits as its factorization.

622542559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 40.

The square root of 622542559 is about 24950.8027726564. The cubic root of 622542559 is about 853.8659241202.

It can be divided in two parts, 6225 and 42559, that added together give a palindrome (48784).

The spelling of 622542559 in words is "six hundred twenty-two million, five hundred forty-two thousand, five hundred fifty-nine".