622208789 has 8 divisors (see below), whose sum is σ = 693483840. Its totient is φ = 554786496.

The previous prime is 622208779. The next prime is 622208809. The reversal of 622208789 is 987802226.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622208789 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 (622208759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962849 + ... + 963494.

It is an arithmetic number, because the mean of its divisors is an integer number (86685480).

Almost surely, 2^622208789 is an apocalyptic number.

It is an amenable number.

622208789 is a deficient number, since it is larger than the sum of its proper divisors (71275051).

622208789 is a wasteful number, since it uses less digits than its factorization.

622208789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926379.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 622208789 is about 24944.1133135656. The cubic root of 622208789 is about 853.7132996006.

The spelling of 622208789 in words is "six hundred twenty-two million, two hundred eight thousand, seven hundred eighty-nine".