622201 has 4 divisors (see below), whose sum is σ = 642304. Its totient is φ = 602100.

The previous prime is 622189. The next prime is 622241. The reversal of 622201 is 102226.

It is a happy number.

622201 is nontrivially palindromic in base 16.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 622201 - 2⁷ = 622073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622241) 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 3 ways as a sum of consecutive naturals, for example, 10005 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (160576).

2⁶²²²⁰¹ is an apocalyptic number.

It is an amenable number.

622201 is a deficient number, since it is larger than the sum of its proper divisors (20103).

622201 is a wasteful number, since it uses less digits than its factorization.

622201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20102.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 622201 is about 788.7971855934. The cubic root of 622201 is about 85.3709737238.

Adding to 622201 its reverse (102226), we get a palindrome (724427).

The spelling of 622201 in words is "six hundred twenty-two thousand, two hundred one".