622422685 has 4 divisors (see below), whose sum is σ = 746907228. Its totient is φ = 497938144.

The previous prime is 622422677. The next prime is 622422719. The reversal of 622422685 is 586224226.

It is a happy number.

622422685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in 2 ways, for example, as 181548676 + 440874009 = 13474^2 + 20997^2 .

It is a cyclic number.

It is not a de Polignac number, because 622422685 - 2³ = 622422677 is a prime.

It is a Duffinian number.

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, 62242264 + ... + 62242273.

It is an arithmetic number, because the mean of its divisors is an integer number (186726807).

Almost surely, 2^622422685 is an apocalyptic number.

It is an amenable number.

622422685 is a deficient number, since it is larger than the sum of its proper divisors (124484543).

622422685 is a wasteful number, since it uses less digits than its factorization.

622422685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124484542.

The product of its digits is 92160, while the sum is 37.

The square root of 622422685 is about 24948.4004497282. The cubic root of 622422685 is about 853.8111150726.

The spelling of 622422685 in words is "six hundred twenty-two million, four hundred twenty-two thousand, six hundred eighty-five".