622601 has 8 divisors (see below), whose sum is σ = 736320. Its totient is φ = 515088.

The previous prime is 622577. The next prime is 622603. The reversal of 622601 is 106226.

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

It is not a de Polignac number, because 622601 - 2¹⁸ = 360457 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 622601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1331 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (92040).

2⁶²²⁶⁰¹ is an apocalyptic number.

It is an amenable number.

622601 is a deficient number, since it is larger than the sum of its proper divisors (113719).

622601 is a wasteful number, since it uses less digits than its factorization.

622601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 622601 is about 789.0506954563. The cubic root of 622601 is about 85.3892642089.

Adding to 622601 its reverse (106226), we get a palindrome (728827).

The spelling of 622601 in words is "six hundred twenty-two thousand, six hundred one".