622711 has 4 divisors (see below), whose sum is σ = 625392. Its totient is φ = 620032.

The previous prime is 622709. The next prime is 622723. The reversal of 622711 is 117226.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 117226 = 2 ⋅58613.

It is a cyclic number.

It is not a de Polignac number, because 622711 - 2¹ = 622709 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 (622751) 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, 955 + ... + 1468.

It is an arithmetic number, because the mean of its divisors is an integer number (156348).

2⁶²²⁷¹¹ is an apocalyptic number.

622711 is a deficient number, since it is larger than the sum of its proper divisors (2681).

622711 is a wasteful number, since it uses less digits than its factorization.

622711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680.

The product of its digits is 168, while the sum is 19.

The square root of 622711 is about 789.1203963908. The cubic root of 622711 is about 85.3942927188.

Adding to 622711 its reverse (117226), we get a palindrome (739937).

The spelling of 622711 in words is "six hundred twenty-two thousand, seven hundred eleven".