622173 has 16 divisors (see below), whose sum is σ = 884736. Its totient is φ = 388080.

The previous prime is 622159. The next prime is 622177. The reversal of 622173 is 371226.

It is a happy number.

It is not a de Polignac number, because 622173 - 2⁴ = 622157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622177) 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, 4836 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (55296).

2⁶²²¹⁷³ is an apocalyptic number.

It is an amenable number.

622173 is a deficient number, since it is larger than the sum of its proper divisors (262563).

622173 is a wasteful number, since it uses less digits than its factorization.

622173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its digits is 504, while the sum is 21.

The square root of 622173 is about 788.7794368516. The cubic root of 622173 is about 85.3696930963.

Adding to 622173 its reverse (371226), we get a palindrome (993399).

The spelling of 622173 in words is "six hundred twenty-two thousand, one hundred seventy-three".