622424666 has 32 divisors (see below), whose sum is σ = 1000194048. Its totient is φ = 289816560.

The previous prime is 622424563. The next prime is 622424669. The reversal of 622424666 is 666424226.

It is a happy number.

It is a super-3 number, since 3×622424666³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (622424669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 481481 + ... + 482771.

It is an arithmetic number, because the mean of its divisors is an integer number (31256064).

Almost surely, 2^622424666 is an apocalyptic number.

622424666 is a deficient number, since it is larger than the sum of its proper divisors (377769382).

622424666 is a wasteful number, since it uses less digits than its factorization.

622424666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its digits is 165888, while the sum is 38.

The square root of 622424666 is about 24948.4401516407. The cubic root of 622424666 is about 853.8120208869.

The spelling of 622424666 in words is "six hundred twenty-two million, four hundred twenty-four thousand, six hundred sixty-six".