622309971 has 4 divisors (see below), whose sum is σ = 829746632. Its totient is φ = 414873312.

The previous prime is 622309957. The next prime is 622309979. The reversal of 622309971 is 179903226.

622309971 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 is not a de Polignac number, because 622309971 - 2¹⁷ = 622178899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622309979) 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, 103718326 + ... + 103718331.

It is an arithmetic number, because the mean of its divisors is an integer number (207436658).

Almost surely, 2^622309971 is an apocalyptic number.

622309971 is a deficient number, since it is larger than the sum of its proper divisors (207436661).

622309971 is a wasteful number, since it uses less digits than its factorization.

622309971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207436660.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 622309971 is about 24946.1414050350. The cubic root of 622309971 is about 853.7595733160.

The spelling of 622309971 in words is "six hundred twenty-two million, three hundred nine thousand, nine hundred seventy-one".