622371 has 4 divisors (see below), whose sum is σ = 829832. Its totient is φ = 414912.

The previous prime is 622367. The next prime is 622397. The reversal of 622371 is 173226.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 622371 - 2² = 622367 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622301) 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, 103726 + ... + 103731.

It is an arithmetic number, because the mean of its divisors is an integer number (207458).

2⁶²²³⁷¹ is an apocalyptic number.

622371 is a deficient number, since it is larger than the sum of its proper divisors (207461).

622371 is a wasteful number, since it uses less digits than its factorization.

622371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207460.

The product of its digits is 504, while the sum is 21.

The square root of 622371 is about 788.9049372390. The cubic root of 622371 is about 85.3787481375.

Adding to 622371 its reverse (173226), we get a palindrome (795597).

The spelling of 622371 in words is "six hundred twenty-two thousand, three hundred seventy-one".