622000 has 40 divisors (see below), whose sum is σ = 1508832. Its totient is φ = 248000.

The previous prime is 621997. The next prime is 622009. The reversal of 622000 is 226.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (622009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1845 + ... + 2155.

2⁶²²⁰⁰⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 622000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754416).

622000 is an abundant number, since it is smaller than the sum of its proper divisors (886832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622000 is a wasteful number, since it uses less digits than its factorization.

622000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 622000 is about 788.6697661252. The cubic root of 622000 is about 85.3617797956.

Adding to 622000 its reverse (226), we get a palindrome (622226).

The spelling of 622000 in words is "six hundred twenty-two thousand".