6221025994 has 8 divisors (see below), whose sum is σ = 9332335908. Its totient is φ = 3110247360.

The previous prime is 6221025991. The next prime is 6221026001. The reversal of 6221025994 is 4995201226.

It can be written as a sum of positive squares in 2 ways, for example, as 5297656225 + 923369769 = 72785^2 + 30387^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6221025991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102127 + ... + 151234.

Almost surely, 2^6221025994 is an apocalyptic number.

6221025994 is a deficient number, since it is larger than the sum of its proper divisors (3111309914).

6221025994 is a wasteful number, since it uses less digits than its factorization.

6221025994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265640.

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6221025994 is about 78873.4809299044. The cubic root of 6221025994 is about 1839.1649087369.

The spelling of 6221025994 in words is "six billion, two hundred twenty-one million, twenty-five thousand, nine hundred ninety-four".