6622779346 has 8 divisors (see below), whose sum is σ = 10457020080. Its totient is φ = 3137105988.

The previous prime is 6622779343. The next prime is 6622779349. The reversal of 6622779346 is 6439772266.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6622779343) and next prime (6622779349).

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

It is a super-2 number, since 2×6622779346² = 87722412531608375432, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6622779293 and 6622779302.

It is not an unprimeable number, because it can be changed into a prime (6622779341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87141796 + ... + 87141871.

It is an arithmetic number, because the mean of its divisors is an integer number (1307127510).

Almost surely, 2^6622779346 is an apocalyptic number.

6622779346 is a deficient number, since it is larger than the sum of its proper divisors (3834240734).

6622779346 is a wasteful number, since it uses less digits than its factorization.

6622779346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174283688.

The product of its digits is 4572288, while the sum is 52.

The square root of 6622779346 is about 81380.4604681001. The cubic root of 6622779346 is about 1877.9330068425.

The spelling of 6622779346 in words is "six billion, six hundred twenty-two million, seven hundred seventy-nine thousand, three hundred forty-six".