622446343 has 4 divisors (see below), whose sum is σ = 643910040. Its totient is φ = 600982648.

The previous prime is 622446337. The next prime is 622446367. The reversal of 622446343 is 343644226.

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

It is a cyclic number.

It is not a de Polignac number, because 622446343 - 2¹³ = 622438151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622446299 and 622446308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622446323) 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, 10731805 + ... + 10731862.

It is an arithmetic number, because the mean of its divisors is an integer number (160977510).

Almost surely, 2^622446343 is an apocalyptic number.

622446343 is a deficient number, since it is larger than the sum of its proper divisors (21463697).

622446343 is a wasteful number, since it uses less digits than its factorization.

622446343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21463696.

The product of its digits is 82944, while the sum is 34.

The square root of 622446343 is about 24948.8745838364. The cubic root of 622446343 is about 853.8219325915.

The spelling of 622446343 in words is "six hundred twenty-two million, four hundred forty-six thousand, three hundred forty-three".