622422646 has 8 divisors (see below), whose sum is σ = 937267560. Its totient is φ = 310000128.

The previous prime is 622422643. The next prime is 622422667. The reversal of 622422646 is 646224226.

622422646 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (622422641) 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, 604956 + ... + 605983.

It is an arithmetic number, because the mean of its divisors is an integer number (117158445).

Almost surely, 2^622422646 is an apocalyptic number.

622422646 is a deficient number, since it is larger than the sum of its proper divisors (314844914).

622422646 is a wasteful number, since it uses less digits than its factorization.

622422646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1211198.

The product of its digits is 55296, while the sum is 34.

The square root of 622422646 is about 24948.3996681150. The cubic root of 622422646 is about 853.8110972398.

The spelling of 622422646 in words is "six hundred twenty-two million, four hundred twenty-two thousand, six hundred forty-six".