622023663 has 8 divisors (see below), whose sum is σ = 839357568. Its totient is φ = 409686104.

The previous prime is 622023637. The next prime is 622023671. The reversal of 622023663 is 366320226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622023663 - 2⁶ = 622023599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622023663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622023263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248795 + ... + 1249292.

It is an arithmetic number, because the mean of its divisors is an integer number (104919696).

Almost surely, 2^622023663 is an apocalyptic number.

622023663 is a deficient number, since it is larger than the sum of its proper divisors (217333905).

622023663 is a wasteful number, since it uses less digits than its factorization.

622023663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498173.

The product of its (nonzero) digits is 15552, while the sum is 30.

The square root of 622023663 is about 24940.4022220974. The cubic root of 622023663 is about 853.6286226626.

Adding to 622023663 its reverse (366320226), we get a palindrome (988343889).

The spelling of 622023663 in words is "six hundred twenty-two million, twenty-three thousand, six hundred sixty-three".