622523 has 8 divisors (see below), whose sum is σ = 719280. Its totient is φ = 532480.

The previous prime is 622519. The next prime is 622529. The reversal of 622523 is 325226.

It is a happy number.

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 622523 - 2² = 622519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622495 and 622504.

It is not an unprimeable number, because it can be changed into a prime (622529) 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, 1478 + ... + 1851.

It is an arithmetic number, because the mean of its divisors is an integer number (89910).

2⁶²²⁵²³ is an apocalyptic number.

622523 is a deficient number, since it is larger than the sum of its proper divisors (96757).

622523 is a wasteful number, since it uses less digits than its factorization.

622523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3357.

The product of its digits is 720, while the sum is 20.

The square root of 622523 is about 789.0012674261. The cubic root of 622523 is about 85.3856981793.

Adding to 622523 its reverse (325226), we get a palindrome (947749).

The spelling of 622523 in words is "six hundred twenty-two thousand, five hundred twenty-three".