6622440427 has 8 divisors (see below), whose sum is σ = 6810361200. Its totient is φ = 6437042304.

The previous prime is 6622440359. The next prime is 6622440431. The reversal of 6622440427 is 7240442266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6622440427 - 2¹¹ = 6622438379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6622444427) 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, 625338 + ... + 635839.

It is an arithmetic number, because the mean of its divisors is an integer number (851295150).

Almost surely, 2^6622440427 is an apocalyptic number.

6622440427 is a deficient number, since it is larger than the sum of its proper divisors (187920773).

6622440427 is a wasteful number, since it uses less digits than its factorization.

6622440427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261325.

The product of its (nonzero) digits is 129024, while the sum is 37.

The square root of 6622440427 is about 81378.3781295744. The cubic root of 6622440427 is about 1877.9009720527.

The spelling of 6622440427 in words is "six billion, six hundred twenty-two million, four hundred forty thousand, four hundred twenty-seven".