6622874429 has 2 divisors, whose sum is σ = 6622874430. Its totient is φ = 6622874428.

The previous prime is 6622874407. The next prime is 6622874471. The reversal of 6622874429 is 9244782266.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6591816100 + 31058329 = 81190^2 + 5573^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6622874429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6622874729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3311437214 + 3311437215.

It is an arithmetic number, because the mean of its divisors is an integer number (3311437215).

Almost surely, 2^6622874429 is an apocalyptic number.

It is an amenable number.

6622874429 is a deficient number, since it is larger than the sum of its proper divisors (1).

6622874429 is an equidigital number, since it uses as much as digits as its factorization.

6622874429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 50.

The square root of 6622874429 is about 81381.0446541454. The cubic root of 6622874429 is about 1877.9419939379.

The spelling of 6622874429 in words is "six billion, six hundred twenty-two million, eight hundred seventy-four thousand, four hundred twenty-nine".