622430663 has 8 divisors (see below), whose sum is σ = 632480400. Its totient is φ = 612459520.

The previous prime is 622430647. The next prime is 622430693. The reversal of 622430663 is 366034226.

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 622430663 - 2⁴ = 622430647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622430693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3578 + ... + 35463.

It is an arithmetic number, because the mean of its divisors is an integer number (79060050).

Almost surely, 2^622430663 is an apocalyptic number.

622430663 is a deficient number, since it is larger than the sum of its proper divisors (10049737).

622430663 is a wasteful number, since it uses less digits than its factorization.

622430663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39297.

The product of its (nonzero) digits is 31104, while the sum is 32.

The square root of 622430663 is about 24948.5603392260. The cubic root of 622430663 is about 853.8147630095.

Adding to 622430663 its reverse (366034226), we get a palindrome (988464889).

The spelling of 622430663 in words is "six hundred twenty-two million, four hundred thirty thousand, six hundred sixty-three".