622305 has 12 divisors (see below), whose sum is σ = 1078740. Its totient is φ = 331872.

The previous prime is 622301. The next prime is 622313. The reversal of 622305 is 503226.

It can be written as a sum of positive squares in 2 ways, for example, as 154449 + 467856 = 393^2 + 684^2 .

It is not a de Polignac number, because 622305 - 2² = 622301 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6870 + ... + 6959.

It is an arithmetic number, because the mean of its divisors is an integer number (89895).

2⁶²²³⁰⁵ is an apocalyptic number.

It is an amenable number.

622305 is a deficient number, since it is larger than the sum of its proper divisors (456435).

622305 is a wasteful number, since it uses less digits than its factorization.

622305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13840 (or 13837 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 622305 is about 788.8631059950. The cubic root of 622305 is about 85.3757300038.

The spelling of 622305 in words is "six hundred twenty-two thousand, three hundred five".