622343 has 4 divisors (see below), whose sum is σ = 625248. Its totient is φ = 619440.

The previous prime is 622337. The next prime is 622351. The reversal of 622343 is 343226.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622343 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 (622313) 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, 1103 + ... + 1568.

It is an arithmetic number, because the mean of its divisors is an integer number (156312).

2⁶²²³⁴³ is an apocalyptic number.

622343 is a deficient number, since it is larger than the sum of its proper divisors (2905).

622343 is a wasteful number, since it uses less digits than its factorization.

622343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2904.

The product of its digits is 864, while the sum is 20.

The square root of 622343 is about 788.8871909215. The cubic root of 622343 is about 85.3774677432.

Adding to 622343 its reverse (343226), we get a palindrome (965569).

The spelling of 622343 in words is "six hundred twenty-two thousand, three hundred forty-three".