622120717 has 8 divisors (see below), whose sum is σ = 638217216. Its totient is φ = 606143472.

The previous prime is 622120693. The next prime is 622120727. The reversal of 622120717 is 717021226.

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 622120717 - 2⁷ = 622120589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622120727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19198 + ... + 40159.

It is an arithmetic number, because the mean of its divisors is an integer number (79777152).

Almost surely, 2^622120717 is an apocalyptic number.

It is an amenable number.

622120717 is a deficient number, since it is larger than the sum of its proper divisors (16096499).

622120717 is a wasteful number, since it uses less digits than its factorization.

622120717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59627.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 622120717 is about 24942.3478646257. The cubic root of 622120717 is about 853.6730174173.

The spelling of 622120717 in words is "six hundred twenty-two million, one hundred twenty thousand, seven hundred seventeen".