622404403 has 16 divisors (see below), whose sum is σ = 666800640. Its totient is φ = 579547584.

The previous prime is 622404379. The next prime is 622404437. The reversal of 622404403 is 304404226.

It is a cyclic number.

It is not a de Polignac number, because 622404403 - 2⁹ = 622403891 is a prime.

It is a super-3 number, since 3×622404403³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622404443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354175 + ... + 355927.

It is an arithmetic number, because the mean of its divisors is an integer number (41675040).

Almost surely, 2^622404403 is an apocalyptic number.

622404403 is a deficient number, since it is larger than the sum of its proper divisors (44396237).

622404403 is a wasteful number, since it uses less digits than its factorization.

622404403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 622404403 is about 24948.0340508025. The cubic root of 622404403 is about 853.8027555189.

Adding to 622404403 its reverse (304404226), we get a palindrome (926808629).

The spelling of 622404403 in words is "six hundred twenty-two million, four hundred four thousand, four hundred three".