622567 has 4 divisors (see below), whose sum is σ = 679176. Its totient is φ = 565960.

The previous prime is 622561. The next prime is 622571. The reversal of 622567 is 765226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 622567 - 2¹¹ = 620519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28288 + ... + 28309.

It is an arithmetic number, because the mean of its divisors is an integer number (169794).

2⁶²²⁵⁶⁷ is an apocalyptic number.

622567 is a deficient number, since it is larger than the sum of its proper divisors (56609).

622567 is a wasteful number, since it uses less digits than its factorization.

622567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56608.

The product of its digits is 5040, while the sum is 28.

The square root of 622567 is about 789.0291502853. The cubic root of 622567 is about 85.3877098223.

The spelling of 622567 in words is "six hundred twenty-two thousand, five hundred sixty-seven".