622117 has 8 divisors (see below), whose sum is σ = 662400. Its totient is φ = 582624.

The previous prime is 622109. The next prime is 622123. The reversal of 622117 is 711226.

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 622117 - 2³ = 622109 is a prime.

It is a super-3 number, since 3×622117³ = 722333009487826839, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

622117 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 622094 and 622103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2484 + ... + 2722.

It is an arithmetic number, because the mean of its divisors is an integer number (82800).

2⁶²²¹¹⁷ is an apocalyptic number.

It is an amenable number.

622117 is a deficient number, since it is larger than the sum of its proper divisors (40283).

622117 is a wasteful number, since it uses less digits than its factorization.

622117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395.

The product of its digits is 168, while the sum is 19.

The square root of 622117 is about 788.7439381701. The cubic root of 622117 is about 85.3671317260.

The spelling of 622117 in words is "six hundred twenty-two thousand, one hundred seventeen".