622670309 has 8 divisors (see below), whose sum is σ = 643292160. Its totient is φ = 602082000.

The previous prime is 622670291. The next prime is 622670317. The reversal of 622670309 is 903076226.

It is a happy number.

622670309 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 not a de Polignac number, because 622670309 - 2²⁰ = 621621733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622670369) 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, 32612 + ... + 48050.

It is an arithmetic number, because the mean of its divisors is an integer number (80411520).

Almost surely, 2^622670309 is an apocalyptic number.

It is an amenable number.

622670309 is a deficient number, since it is larger than the sum of its proper divisors (20621851).

622670309 is a wasteful number, since it uses less digits than its factorization.

622670309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16771.

The product of its (nonzero) digits is 27216, while the sum is 35.

The square root of 622670309 is about 24953.3626792062. The cubic root of 622670309 is about 853.9243265056.

The spelling of 622670309 in words is "six hundred twenty-two million, six hundred seventy thousand, three hundred nine".