622671 has 16 divisors (see below), whose sum is σ = 960000. Its totient is φ = 351648.

The previous prime is 622669. The next prime is 622709. The reversal of 622671 is 176226.

It is a happy number.

It is not a de Polignac number, because 622671 - 2¹ = 622669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3030 + ... + 3228.

It is an arithmetic number, because the mean of its divisors is an integer number (60000).

2⁶²²⁶⁷¹ is an apocalyptic number.

622671 is a deficient number, since it is larger than the sum of its proper divisors (337329).

622671 is a wasteful number, since it uses less digits than its factorization.

622671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358.

The product of its digits is 1008, while the sum is 24.

The square root of 622671 is about 789.0950513088. The cubic root of 622671 is about 85.3924642382.

Adding to 622671 its reverse (176226), we get a palindrome (798897).

The spelling of 622671 in words is "six hundred twenty-two thousand, six hundred seventy-one".