6220279386 has 64 divisors (see below), whose sum is σ = 14221059840. Its totient is φ = 2014459200.

The previous prime is 6220279381. The next prime is 6220279391. The reversal of 6220279386 is 6839720226.

6220279386 is a `hidden beast` number, since 62 + 202 + 7 + 9 + 386 = 666.

It is an interprime number because it is at equal distance from previous prime (6220279381) and next prime (6220279391).

It is not an unprimeable number, because it can be changed into a prime (6220279381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284236 + ... + 305336.

It is an arithmetic number, because the mean of its divisors is an integer number (222204060).

Almost surely, 2^6220279386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6220279386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7110529920).

6220279386 is an abundant number, since it is smaller than the sum of its proper divisors (8000780454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6220279386 is a wasteful number, since it uses less digits than its factorization.

6220279386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21268 (or 21262 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The square root of 6220279386 is about 78868.7478409541. The cubic root of 6220279386 is about 1839.0913308324.

The spelling of 6220279386 in words is "six billion, two hundred twenty million, two hundred seventy-nine thousand, three hundred eighty-six".