622799 has 4 divisors (see below), whose sum is σ = 624864. Its totient is φ = 620736.

The previous prime is 622793. The next prime is 622813. The reversal of 622799 is 997226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 997226 = 2 ⋅498613.

It is a cyclic number.

It is not a de Polignac number, because 622799 - 2¹² = 618703 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 (622793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 482 + ... + 1215.

It is an arithmetic number, because the mean of its divisors is an integer number (156216).

2⁶²²⁷⁹⁹ is an apocalyptic number.

622799 is a deficient number, since it is larger than the sum of its proper divisors (2065).

622799 is a wasteful number, since it uses less digits than its factorization.

622799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2064.

The product of its digits is 13608, while the sum is 35.

The square root of 622799 is about 789.1761527061. The cubic root of 622799 is about 85.3983151004.

The spelling of 622799 in words is "six hundred twenty-two thousand, seven hundred ninety-nine".