622593 has 8 divisors (see below), whose sum is σ = 922400. Its totient is φ = 415044.

The previous prime is 622577. The next prime is 622603. The reversal of 622593 is 395226.

It is not a de Polignac number, because 622593 - 2⁴ = 622577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 23059 = 622593 / (6 + 2 + 2 + 5 + 9 + 3).

It is a Duffinian number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 622593.

It is not an unprimeable number, because it can be changed into a prime (622513) 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, 11503 + ... + 11556.

It is an arithmetic number, because the mean of its divisors is an integer number (115300).

It is a Proth number, since it is equal to 19 ⋅ 2¹⁵ + 1 and 19 < 2¹⁵.

2⁶²²⁵⁹³ is an apocalyptic number.

It is an amenable number.

622593 is a deficient number, since it is larger than the sum of its proper divisors (299807).

622593 is a wasteful number, since it uses less digits than its factorization.

622593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23068 (or 23062 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 622593 is about 789.0456260572. The cubic root of 622593 is about 85.3888984759.

The spelling of 622593 in words is "six hundred twenty-two thousand, five hundred ninety-three".