622873 has 4 divisors (see below), whose sum is σ = 624640. Its totient is φ = 621108.

The previous prime is 622861. The next prime is 622879. The reversal of 622873 is 378226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153 + ... + 1126.

It is an arithmetic number, because the mean of its divisors is an integer number (156160).

2⁶²²⁸⁷³ is an apocalyptic number.

It is an amenable number.

622873 is a deficient number, since it is larger than the sum of its proper divisors (1767).

622873 is a wasteful number, since it uses less digits than its factorization.

622873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its digits is 4032, while the sum is 28.

The square root of 622873 is about 789.2230356496. The cubic root of 622873 is about 85.4016972644.

The spelling of 622873 in words is "six hundred twenty-two thousand, eight hundred seventy-three".