622381805 has 8 divisors (see below), whose sum is σ = 747042912. Its totient is φ = 497782288.

The previous prime is 622381801. The next prime is 622381831. The reversal of 622381805 is 508183226.

622381805 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 cyclic number.

It is not a de Polignac number, because 622381805 - 2² = 622381801 is a prime.

It is a super-2 number, since 2×622381805² = 774718222390116050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622381801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10934 + ... + 36936.

It is an arithmetic number, because the mean of its divisors is an integer number (93380364).

Almost surely, 2^622381805 is an apocalyptic number.

It is an amenable number.

622381805 is a deficient number, since it is larger than the sum of its proper divisors (124661107).

622381805 is a wasteful number, since it uses less digits than its factorization.

622381805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30795.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 622381805 is about 24947.5811452734. The cubic root of 622381805 is about 853.7924222222.

The spelling of 622381805 in words is "six hundred twenty-two million, three hundred eighty-one thousand, eight hundred five".