622068447 has 64 divisors (see below), whose sum is σ = 1132830720. Its totient is φ = 293155200.

The previous prime is 622068439. The next prime is 622068451. The reversal of 622068447 is 744860226.

It is not a de Polignac number, because 622068447 - 2³ = 622068439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622068427) 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 63 ways as a sum of consecutive naturals, for example, 175422 + ... + 178932.

It is an arithmetic number, because the mean of its divisors is an integer number (17700480).

Almost surely, 2^622068447 is an apocalyptic number.

622068447 is a deficient number, since it is larger than the sum of its proper divisors (510762273).

622068447 is a wasteful number, since it uses less digits than its factorization.

622068447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604.

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 622068447 is about 24941.3000262617. The cubic root of 622068447 is about 853.6491084785.

The spelling of 622068447 in words is "six hundred twenty-two million, sixty-eight thousand, four hundred forty-seven".