622446342142463 has 4 divisors (see below), whose sum is σ = 622549893361608. Its totient is φ = 622342790923320.

The previous prime is 622446342142459. The next prime is 622446342142477. The reversal of 622446342142463 is 364241243644226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 622446342142463 - 2² = 622446342142459 is a prime.

It is a super-2 number, since 2×622446342142463² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622446342142423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51775600556 + ... + 51775612577.

It is an arithmetic number, because the mean of its divisors is an integer number (155637473340402).

Almost surely, 2^{622446342142463} is an apocalyptic number.

622446342142463 is a deficient number, since it is larger than the sum of its proper divisors (103551219145).

622446342142463 is a wasteful number, since it uses less digits than its factorization.

622446342142463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103551219144.

The product of its digits is 31850496, while the sum is 53.

Adding to 622446342142463 its reverse (364241243644226), we get a palindrome (986687585786689).

The spelling of 622446342142463 in words is "six hundred twenty-two trillion, four hundred forty-six billion, three hundred forty-two million, one hundred forty-two thousand, four hundred sixty-three".