622697 has 8 divisors (see below), whose sum is σ = 656640. Its totient is φ = 589680.

The previous prime is 622669. The next prime is 622709. The reversal of 622697 is 796226.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 622697 - 2¹⁴ = 606313 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622697.

It is not an unprimeable number, because it can be changed into a prime (622607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1454 + ... + 1832.

It is an arithmetic number, because the mean of its divisors is an integer number (82080).

2⁶²²⁶⁹⁷ is an apocalyptic number.

It is an amenable number.

622697 is a deficient number, since it is larger than the sum of its proper divisors (33943).

622697 is a wasteful number, since it uses less digits than its factorization.

622697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its digits is 9072, while the sum is 32.

The square root of 622697 is about 789.1115257047. Note that the first 3 decimals coincide. The cubic root of 622697 is about 85.3936527595.

The spelling of 622697 in words is "six hundred twenty-two thousand, six hundred ninety-seven".