622306447 has 8 divisors (see below), whose sum is σ = 735732000. Its totient is φ = 515012064.

The previous prime is 622306379. The next prime is 622306457. The reversal of 622306447 is 744603226.

622306447 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 622306447 - 2⁷ = 622306319 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 (622306457) 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, 1532572 + ... + 1532977.

It is an arithmetic number, because the mean of its divisors is an integer number (91966500).

Almost surely, 2^622306447 is an apocalyptic number.

622306447 is a deficient number, since it is larger than the sum of its proper divisors (113425553).

622306447 is a wasteful number, since it uses less digits than its factorization.

622306447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065585.

The product of its (nonzero) digits is 48384, while the sum is 34.

The square root of 622306447 is about 24946.0707727690. The cubic root of 622306447 is about 853.7579617641.

The spelling of 622306447 in words is "six hundred twenty-two million, three hundred six thousand, four hundred forty-seven".