622567646 has 8 divisors (see below), whose sum is σ = 949679640. Its totient is φ = 306007768.

The previous prime is 622567633. The next prime is 622567663. The reversal of 622567646 is 646765226.

622567646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 622567597 and 622567606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2637881 + ... + 2638116.

It is an arithmetic number, because the mean of its divisors is an integer number (118709955).

Almost surely, 2^622567646 is an apocalyptic number.

622567646 is a deficient number, since it is larger than the sum of its proper divisors (327111994).

622567646 is a wasteful number, since it uses less digits than its factorization.

622567646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5276058.

The product of its digits is 725760, while the sum is 44.

The square root of 622567646 is about 24951.3054969074. The cubic root of 622567646 is about 853.8773935619.

The spelling of 622567646 in words is "six hundred twenty-two million, five hundred sixty-seven thousand, six hundred forty-six".