622395 has 12 divisors (see below), whose sum is σ = 1078896. Its totient is φ = 331920.

The previous prime is 622367. The next prime is 622397. The reversal of 622395 is 593226.

622395 is a `hidden beast` number, since 622 + 39 + 5 = 666.

622395 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 622395 - 2⁶ = 622331 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 6³ + 2 + 3⁹ + 2¹⁹ + 9² + 5⁷ .

622395 is strictly pandigital in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622395.

It is not an unprimeable number, because it can be changed into a prime (622397) 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, 6871 + ... + 6960.

It is an arithmetic number, because the mean of its divisors is an integer number (89908).

2⁶²²³⁹⁵ is an apocalyptic number.

622395 is a deficient number, since it is larger than the sum of its proper divisors (456501).

622395 is a wasteful number, since it uses less digits than its factorization.

622395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13842 (or 13839 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 622395 is about 788.9201480505. The cubic root of 622395 is about 85.3798455877.

The spelling of 622395 in words is "six hundred twenty-two thousand, three hundred ninety-five".