622895 has 24 divisors (see below), whose sum is σ = 945504. Its totient is φ = 383616.

The previous prime is 622889. The next prime is 622901. The reversal of 622895 is 598226.

It is an interprime number because it is at equal distance from previous prime (622889) and next prime (622901).

It is not a de Polignac number, because 622895 - 2⁴ = 622879 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622895.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16817 + ... + 16853.

It is an arithmetic number, because the mean of its divisors is an integer number (39396).

2⁶²²⁸⁹⁵ is an apocalyptic number.

622895 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

622895 is a deficient number, since it is larger than the sum of its proper divisors (322609).

622895 is a wasteful number, since it uses less digits than its factorization.

622895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 62 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 622895 is about 789.2369732850. The cubic root of 622895 is about 85.4027027209.

The spelling of 622895 in words is "six hundred twenty-two thousand, eight hundred ninety-five".